157863381

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1307}}^1$

素因数の和:1505

約数の個数: 32

約数和(自身を含む): 240253440

約数和(自身を除く): 82390059

約数列:

[1, 3, 13, 19, 39, 57, 163, 247, 489, 741, 1307, 2119, 3097, 3921, 6357, 9291, 16991, 24833, 40261, 50973, 74499, 120783, 213041, 322829, 639123, 968487, 2769533, 4047779, 8308599, 12143337, 52621127, 157863381]

約数ペア:

[(1, 157863381), (3, 52621127), (13, 12143337), (19, 8308599), (39, 4047779), (57, 2769533), (163, 968487), (247, 639123), (489, 322829), (741, 213041), (1307, 120783), (2119, 74499), (3097, 50973), (3921, 40261), (6357, 24833), (9291, 16991)]