31191919

素因数分解:

${\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:462

約数の個数: 16

約数和(自身を含む): 34801920

約数和(自身を除く): 3610001

約数列:

[1, 11, 89, 151, 211, 979, 1661, 2321, 13439, 18779, 31861, 147829, 206569, 350471, 2835629, 31191919]

約数ペア:

[(1, 31191919), (11, 2835629), (89, 350471), (151, 206569), (211, 147829), (979, 31861), (1661, 18779), (2321, 13439)]