31283919

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{353}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 46572240

約数和(自身を除く): 15288321

約数列:

[1, 3, 9, 43, 129, 229, 353, 387, 687, 1059, 2061, 3177, 9847, 15179, 29541, 45537, 80837, 88623, 136611, 242511, 727533, 3475991, 10427973, 31283919]

約数ペア:

[(1, 31283919), (3, 10427973), (9, 3475991), (43, 727533), (129, 242511), (229, 136611), (353, 88623), (387, 80837), (687, 45537), (1059, 29541), (2061, 15179), (3177, 9847)]