28475163

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{367}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 42539328

約数和(自身を除く): 14064165

約数列:

[1, 3, 9, 37, 111, 233, 333, 367, 699, 1101, 2097, 3303, 8621, 13579, 25863, 40737, 77589, 85511, 122211, 256533, 769599, 3163907, 9491721, 28475163]

約数ペア:

[(1, 28475163), (3, 9491721), (9, 3163907), (37, 769599), (111, 256533), (233, 122211), (333, 85511), (367, 77589), (699, 40737), (1101, 25863), (2097, 13579), (3303, 8621)]