221319945

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:233

約数の個数: 160

約数和(自身を含む): 508502016

約数和(自身を除く): 287182071

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 47, 55, 63, 77, 81, 99, 105, 135, 141, 151, 165, 189, 231, 235, 297, 315, 329, 385, 405, 423, 453, 495, 517, 567, 693, 705, 755, 891, 945, 987, 1057, 1155, 1269, 1359, 1485, 1551, 1645, 1661, 2079, 2115, 2265, 2585, 2835, 2961, 3171, 3465, 3619, 3807, 4077, 4455, 4653, 4935, 4983, 5285, 6237, 6345, 6795, 7097, 7755, 8305, 8883, 9513, 10395, 10857, 11627, 12231, 13959, 14805, 14949, 15855, 18095, 19035, 20385, 21291, 23265, 24915, 26649, 28539, 31185, 32571, 34881, 35485, 41877, 44415, 44847, 47565, 49679, 54285, 58135, 61155, 63873, 69795, 74745, 78067, 85617, 97713, 104643, 106455, 133245, 134541, 142695, 149037, 162855, 174405, 191619, 209385, 224235, 234201, 248395, 293139, 313929, 319365, 390335, 428085, 447111, 488565, 523215, 546469, 574857, 672705, 702603, 745185, 941787, 958095, 1171005, 1341333, 1465695, 1569645, 1639407, 2107809, 2235555, 2732345, 2874285, 3513015, 4023999, 4708935, 4918221, 6323427, 6706665, 8197035, 10539045, 14754663, 20119995, 24591105, 31617135, 44263989, 73773315, 221319945]

約数ペア:

[(1, 221319945), (3, 73773315), (5, 44263989), (7, 31617135), (9, 24591105), (11, 20119995), (15, 14754663), (21, 10539045), (27, 8197035), (33, 6706665), (35, 6323427), (45, 4918221), (47, 4708935), (55, 4023999), (63, 3513015), (77, 2874285), (81, 2732345), (99, 2235555), (105, 2107809), (135, 1639407), (141, 1569645), (151, 1465695), (165, 1341333), (189, 1171005), (231, 958095), (235, 941787), (297, 745185), (315, 702603), (329, 672705), (385, 574857), (405, 546469), (423, 523215), (453, 488565), (495, 447111), (517, 428085), (567, 390335), (693, 319365), (705, 313929), (755, 293139), (891, 248395), (945, 234201), (987, 224235), (1057, 209385), (1155, 191619), (1269, 174405), (1359, 162855), (1485, 149037), (1551, 142695), (1645, 134541), (1661, 133245), (2079, 106455), (2115, 104643), (2265, 97713), (2585, 85617), (2835, 78067), (2961, 74745), (3171, 69795), (3465, 63873), (3619, 61155), (3807, 58135), (4077, 54285), (4455, 49679), (4653, 47565), (4935, 44847), (4983, 44415), (5285, 41877), (6237, 35485), (6345, 34881), (6795, 32571), (7097, 31185), (7755, 28539), (8305, 26649), (8883, 24915), (9513, 23265), (10395, 21291), (10857, 20385), (11627, 19035), (12231, 18095), (13959, 15855), (14805, 14949)]