31199421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 46844928

約数和(自身を除く): 15645507

約数列:

[1, 3, 11, 33, 67, 103, 137, 201, 309, 411, 737, 1133, 1507, 2211, 3399, 4521, 6901, 9179, 14111, 20703, 27537, 42333, 75911, 100969, 155221, 227733, 302907, 465663, 945437, 2836311, 10399807, 31199421]

約数ペア:

[(1, 31199421), (3, 10399807), (11, 2836311), (33, 945437), (67, 465663), (103, 302907), (137, 227733), (201, 155221), (309, 100969), (411, 75911), (737, 42333), (1133, 27537), (1507, 20703), (2211, 14111), (3399, 9179), (4521, 6901)]