205804575

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{39769}}^1$

素因数の和:39808

約数の個数: 36

約数和(自身を含む): 384655440

約数和(自身を除く): 178850865

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 5175, 39769, 119307, 198845, 357921, 596535, 914687, 994225, 1789605, 2744061, 2982675, 4573435, 8232183, 8948025, 13720305, 22867175, 41160915, 68601525, 205804575]

約数ペア:

[(1, 205804575), (3, 68601525), (5, 41160915), (9, 22867175), (15, 13720305), (23, 8948025), (25, 8232183), (45, 4573435), (69, 2982675), (75, 2744061), (115, 1789605), (207, 994225), (225, 914687), (345, 596535), (575, 357921), (1035, 198845), (1725, 119307), (5175, 39769)]