81985607

素因数分解:

${\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2051

約数の個数: 16

約数和(自身を含む): 93133824

約数和(自身を除く): 11148217

約数列:

[1, 11, 31, 121, 341, 1331, 1987, 3751, 21857, 41261, 61597, 240427, 677567, 2644697, 7453237, 81985607]

約数ペア:

[(1, 81985607), (11, 7453237), (31, 2644697), (121, 677567), (341, 240427), (1331, 61597), (1987, 41261), (3751, 21857)]