388190511

素因数分解:

$3^2\times {\mathrm{311}}^1\times {\mathrm{331}}^1\times {\mathrm{419}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 565568640

約数和(自身を除く): 177378129

約数列:

[1, 3, 9, 311, 331, 419, 933, 993, 1257, 2799, 2979, 3771, 102941, 130309, 138689, 308823, 390927, 416067, 926469, 1172781, 1248201, 43132279, 129396837, 388190511]

約数ペア:

[(1, 388190511), (3, 129396837), (9, 43132279), (311, 1248201), (331, 1172781), (419, 926469), (933, 416067), (993, 390927), (1257, 308823), (2799, 138689), (2979, 130309), (3771, 102941)]