31881487

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1481}}^1$

素因数の和:1614

約数の個数: 16

約数和(自身を含む): 36990720

約数和(自身を除く): 5109233

約数列:

[1, 11, 19, 103, 209, 1133, 1481, 1957, 16291, 21527, 28139, 152543, 309529, 1677973, 2898317, 31881487]

約数ペア:

[(1, 31881487), (11, 2898317), (19, 1677973), (103, 309529), (209, 152543), (1133, 28139), (1481, 21527), (1957, 16291)]