31721238

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{24821}}^1$

素因数の和:24900

約数の個数: 24

約数和(自身を含む): 69700176

約数和(自身を除く): 37978938

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 24821, 49642, 74463, 148926, 223389, 446778, 1762291, 3524582, 5286873, 10573746, 15860619, 31721238]

約数ペア:

[(1, 31721238), (2, 15860619), (3, 10573746), (6, 5286873), (9, 3524582), (18, 1762291), (71, 446778), (142, 223389), (213, 148926), (426, 74463), (639, 49642), (1278, 24821)]