31445955

素因数分解:

$3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2137}}^1$

素因数の和:2260

約数の個数: 32

約数和(自身を含む): 56443200

約数和(自身を除く): 24997245

約数列:

[1, 3, 5, 9, 15, 27, 45, 109, 135, 327, 545, 981, 1635, 2137, 2943, 4905, 6411, 10685, 14715, 19233, 32055, 57699, 96165, 232933, 288495, 698799, 1164665, 2096397, 3493995, 6289191, 10481985, 31445955]

約数ペア:

[(1, 31445955), (3, 10481985), (5, 6289191), (9, 3493995), (15, 2096397), (27, 1164665), (45, 698799), (109, 288495), (135, 232933), (327, 96165), (545, 57699), (981, 32055), (1635, 19233), (2137, 14715), (2943, 10685), (4905, 6411)]