81560907

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{1213}}^1$

素因数の和:1491

約数の個数: 24

約数和(自身を含む): 122215808

約数和(自身を除く): 40654901

約数列:

[1, 3, 9, 31, 93, 241, 279, 723, 1213, 2169, 3639, 7471, 10917, 22413, 37603, 67239, 112809, 292333, 338427, 876999, 2630997, 9062323, 27186969, 81560907]

約数ペア:

[(1, 81560907), (3, 27186969), (9, 9062323), (31, 2630997), (93, 876999), (241, 338427), (279, 292333), (723, 112809), (1213, 67239), (2169, 37603), (3639, 22413), (7471, 10917)]