217040131

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1319}}^1\times {\mathrm{2137}}^1$

素因数の和:3474

約数の個数: 16

約数和(自身を含む): 270927360

約数和(自身を除く): 53887229

約数列:

[1, 7, 11, 77, 1319, 2137, 9233, 14509, 14959, 23507, 101563, 164549, 2818703, 19730921, 31005733, 217040131]

約数ペア:

[(1, 217040131), (7, 31005733), (11, 19730921), (77, 2818703), (1319, 164549), (2137, 101563), (9233, 23507), (14509, 14959)]