40639563

素因数分解:

$3^6\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:646

約数の個数: 28

約数和(自身を含む): 61618968

約数和(自身を除く): 20979405

約数列:

[1, 3, 9, 27, 81, 107, 243, 321, 521, 729, 963, 1563, 2889, 4689, 8667, 14067, 26001, 42201, 55747, 78003, 126603, 167241, 379809, 501723, 1505169, 4515507, 13546521, 40639563]

約数ペア:

[(1, 40639563), (3, 13546521), (9, 4515507), (27, 1505169), (81, 501723), (107, 379809), (243, 167241), (321, 126603), (521, 78003), (729, 55747), (963, 42201), (1563, 26001), (2889, 14067), (4689, 8667)]