12220665

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 20708352

約数和(自身を除く): 8487687

約数列:

[1, 3, 5, 15, 31, 41, 93, 123, 155, 205, 465, 615, 641, 1271, 1923, 3205, 3813, 6355, 9615, 19065, 19871, 26281, 59613, 78843, 99355, 131405, 298065, 394215, 814711, 2444133, 4073555, 12220665]

約数ペア:

[(1, 12220665), (3, 4073555), (5, 2444133), (15, 814711), (31, 394215), (41, 298065), (93, 131405), (123, 99355), (155, 78843), (205, 59613), (465, 26281), (615, 19871), (641, 19065), (1271, 9615), (1923, 6355), (3205, 3813)]