57657957

素因数分解:

$3^1\times 7^3\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:570

約数の個数: 32

約数和(自身を含む): 90528000

約数和(自身を除く): 32870043

約数列:

[1, 3, 7, 21, 49, 137, 147, 343, 409, 411, 959, 1029, 1227, 2863, 2877, 6713, 8589, 20041, 20139, 46991, 56033, 60123, 140287, 140973, 168099, 392231, 420861, 1176693, 2745617, 8236851, 19219319, 57657957]

約数ペア:

[(1, 57657957), (3, 19219319), (7, 8236851), (21, 2745617), (49, 1176693), (137, 420861), (147, 392231), (343, 168099), (409, 140973), (411, 140287), (959, 60123), (1029, 56033), (1227, 46991), (2863, 20139), (2877, 20041), (6713, 8589)]