12808215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 25766208

約数和(自身を除く): 12957993

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 73, 105, 219, 315, 365, 511, 557, 657, 1095, 1533, 1671, 2555, 2785, 3285, 3899, 4599, 5013, 7665, 8355, 11697, 19495, 22995, 25065, 35091, 40661, 58485, 121983, 175455, 203305, 284627, 365949, 609915, 853881, 1423135, 1829745, 2561643, 4269405, 12808215]

約数ペア:

[(1, 12808215), (3, 4269405), (5, 2561643), (7, 1829745), (9, 1423135), (15, 853881), (21, 609915), (35, 365949), (45, 284627), (63, 203305), (73, 175455), (105, 121983), (219, 58485), (315, 40661), (365, 35091), (511, 25065), (557, 22995), (657, 19495), (1095, 11697), (1533, 8355), (1671, 7665), (2555, 5013), (2785, 4599), (3285, 3899)]