28393365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 128

約数和(自身を含む): 63995904

約数和(自身を除く): 35602539

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 31, 33, 35, 39, 55, 61, 65, 77, 91, 93, 105, 143, 155, 165, 183, 195, 217, 231, 273, 305, 341, 385, 403, 427, 429, 455, 465, 651, 671, 715, 793, 915, 1001, 1023, 1085, 1155, 1209, 1281, 1365, 1705, 1891, 2013, 2015, 2135, 2145, 2379, 2387, 2821, 3003, 3255, 3355, 3965, 4433, 4697, 5005, 5115, 5551, 5673, 6045, 6405, 7161, 8463, 8723, 9455, 10065, 11895, 11935, 13237, 13299, 14091, 14105, 15015, 16653, 20801, 22165, 23485, 24583, 26169, 27755, 28365, 31031, 35805, 39711, 42315, 43615, 61061, 62403, 66185, 66495, 70455, 73749, 83265, 93093, 104005, 122915, 130845, 145607, 155155, 172081, 183183, 198555, 270413, 305305, 312015, 368745, 436821, 465465, 516243, 728035, 811239, 860405, 915915, 1352065, 1892891, 2184105, 2581215, 4056195, 5678673, 9464455, 28393365]

約数ペア:

[(1, 28393365), (3, 9464455), (5, 5678673), (7, 4056195), (11, 2581215), (13, 2184105), (15, 1892891), (21, 1352065), (31, 915915), (33, 860405), (35, 811239), (39, 728035), (55, 516243), (61, 465465), (65, 436821), (77, 368745), (91, 312015), (93, 305305), (105, 270413), (143, 198555), (155, 183183), (165, 172081), (183, 155155), (195, 145607), (217, 130845), (231, 122915), (273, 104005), (305, 93093), (341, 83265), (385, 73749), (403, 70455), (427, 66495), (429, 66185), (455, 62403), (465, 61061), (651, 43615), (671, 42315), (715, 39711), (793, 35805), (915, 31031), (1001, 28365), (1023, 27755), (1085, 26169), (1155, 24583), (1209, 23485), (1281, 22165), (1365, 20801), (1705, 16653), (1891, 15015), (2013, 14105), (2015, 14091), (2135, 13299), (2145, 13237), (2379, 11935), (2387, 11895), (2821, 10065), (3003, 9455), (3255, 8723), (3355, 8463), (3965, 7161), (4433, 6405), (4697, 6045), (5005, 5673), (5115, 5551)]