388675713

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 546215040

約数和(自身を除く): 157539327

約数列:

[1, 3, 37, 61, 111, 137, 183, 411, 419, 1257, 2257, 5069, 6771, 8357, 15207, 15503, 25071, 25559, 46509, 57403, 76677, 172209, 309209, 927627, 945683, 2123911, 2837049, 3501583, 6371733, 10504749, 129558571, 388675713]

約数ペア:

[(1, 388675713), (3, 129558571), (37, 10504749), (61, 6371733), (111, 3501583), (137, 2837049), (183, 2123911), (411, 945683), (419, 927627), (1257, 309209), (2257, 172209), (5069, 76677), (6771, 57403), (8357, 46509), (15207, 25559), (15503, 25071)]