74876781

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{709}}^1$

素因数の和:873

約数の個数: 32

約数和(自身を含む): 117780480

約数和(自身を除く): 42903699

約数列:

[1, 3, 7, 21, 47, 107, 141, 321, 329, 709, 749, 987, 2127, 2247, 4963, 5029, 14889, 15087, 33323, 35203, 75863, 99969, 105609, 227589, 233261, 531041, 699783, 1593123, 3565561, 10696683, 24958927, 74876781]

約数ペア:

[(1, 74876781), (3, 24958927), (7, 10696683), (21, 3565561), (47, 1593123), (107, 699783), (141, 531041), (321, 233261), (329, 227589), (709, 105609), (749, 99969), (987, 75863), (2127, 35203), (2247, 33323), (4963, 15087), (5029, 14889)]