81913887

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1699}}^1$

素因数の和:2203

約数の個数: 24

約数和(自身を含む): 129417600

約数和(自身を除く): 47503713

約数列:

[1, 3, 9, 11, 33, 99, 487, 1461, 1699, 4383, 5097, 5357, 15291, 16071, 18689, 48213, 56067, 168201, 827413, 2482239, 7446717, 9101543, 27304629, 81913887]

約数ペア:

[(1, 81913887), (3, 27304629), (9, 9101543), (11, 7446717), (33, 2482239), (99, 827413), (487, 168201), (1461, 56067), (1699, 48213), (4383, 18689), (5097, 16071), (5357, 15291)]