217071855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:182

約数の個数: 192

約数和(自身を含む): 519966720

約数和(自身を除く): 302894865

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 33, 35, 39, 45, 55, 61, 63, 65, 77, 79, 91, 99, 105, 117, 143, 165, 183, 195, 231, 237, 273, 305, 315, 385, 395, 427, 429, 455, 495, 549, 553, 585, 671, 693, 711, 715, 793, 819, 869, 915, 1001, 1027, 1155, 1185, 1281, 1287, 1365, 1659, 2013, 2135, 2145, 2379, 2607, 2745, 2765, 3003, 3081, 3355, 3465, 3555, 3843, 3965, 4095, 4345, 4697, 4819, 4977, 5005, 5135, 5551, 6039, 6083, 6405, 6435, 7137, 7189, 7821, 8295, 8723, 9009, 9243, 10065, 11297, 11895, 13035, 14091, 14457, 15015, 15405, 16653, 18249, 19215, 21567, 23485, 24095, 24885, 26169, 27755, 30195, 30415, 33733, 33891, 35685, 35945, 39105, 42273, 43371, 43615, 45045, 46215, 49959, 53009, 54747, 56485, 61061, 62647, 64701, 70455, 72285, 78507, 79079, 83265, 91245, 101199, 101673, 107835, 130845, 159027, 168665, 169455, 183183, 187941, 211365, 216855, 237237, 249795, 265045, 273735, 303597, 305305, 313235, 323505, 371063, 392535, 395395, 438529, 477081, 505995, 508365, 549549, 563823, 689117, 711711, 795135, 915915, 939705, 1113189, 1186185, 1315587, 1517985, 1855315, 2067351, 2192645, 2385405, 2747745, 2819115, 3339567, 3445585, 3558555, 3946761, 4823819, 5565945, 6202053, 6577935, 10336755, 14471457, 16697835, 19733805, 24119095, 31010265, 43414371, 72357285, 217071855]

約数ペア:

[(1, 217071855), (3, 72357285), (5, 43414371), (7, 31010265), (9, 24119095), (11, 19733805), (13, 16697835), (15, 14471457), (21, 10336755), (33, 6577935), (35, 6202053), (39, 5565945), (45, 4823819), (55, 3946761), (61, 3558555), (63, 3445585), (65, 3339567), (77, 2819115), (79, 2747745), (91, 2385405), (99, 2192645), (105, 2067351), (117, 1855315), (143, 1517985), (165, 1315587), (183, 1186185), (195, 1113189), (231, 939705), (237, 915915), (273, 795135), (305, 711711), (315, 689117), (385, 563823), (395, 549549), (427, 508365), (429, 505995), (455, 477081), (495, 438529), (549, 395395), (553, 392535), (585, 371063), (671, 323505), (693, 313235), (711, 305305), (715, 303597), (793, 273735), (819, 265045), (869, 249795), (915, 237237), (1001, 216855), (1027, 211365), (1155, 187941), (1185, 183183), (1281, 169455), (1287, 168665), (1365, 159027), (1659, 130845), (2013, 107835), (2135, 101673), (2145, 101199), (2379, 91245), (2607, 83265), (2745, 79079), (2765, 78507), (3003, 72285), (3081, 70455), (3355, 64701), (3465, 62647), (3555, 61061), (3843, 56485), (3965, 54747), (4095, 53009), (4345, 49959), (4697, 46215), (4819, 45045), (4977, 43615), (5005, 43371), (5135, 42273), (5551, 39105), (6039, 35945), (6083, 35685), (6405, 33891), (6435, 33733), (7137, 30415), (7189, 30195), (7821, 27755), (8295, 26169), (8723, 24885), (9009, 24095), (9243, 23485), (10065, 21567), (11297, 19215), (11895, 18249), (13035, 16653), (14091, 15405), (14457, 15015)]