28657683

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{823}}^1$

素因数の和:955

約数の個数: 24

約数和(自身を含む): 42805152

約数和(自身を除く): 14147469

約数列:

[1, 3, 9, 53, 73, 159, 219, 477, 657, 823, 2469, 3869, 7407, 11607, 34821, 43619, 60079, 130857, 180237, 392571, 540711, 3184187, 9552561, 28657683]

約数ペア:

[(1, 28657683), (3, 9552561), (9, 3184187), (53, 540711), (73, 392571), (159, 180237), (219, 130857), (477, 60079), (657, 43619), (823, 34821), (2469, 11607), (3869, 7407)]