13259619

素因数分解:

$3^4\times {\mathrm{313}}^1\times {\mathrm{523}}^1$

素因数の和:848

約数の個数: 20

約数和(自身を含む): 19908856

約数和(自身を除く): 6649237

約数列:

[1, 3, 9, 27, 81, 313, 523, 939, 1569, 2817, 4707, 8451, 14121, 25353, 42363, 163699, 491097, 1473291, 4419873, 13259619]

約数ペア:

[(1, 13259619), (3, 4419873), (9, 1473291), (27, 491097), (81, 163699), (313, 42363), (523, 25353), (939, 14121), (1569, 8451), (2817, 4707)]