81327575

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{27337}}^1$

素因数の和:27371

約数の個数: 24

約数和(自身を含む): 122036832

約数和(自身を除く): 40709257

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 27337, 136685, 191359, 464729, 683425, 956795, 2323645, 3253103, 4783975, 11618225, 16265515, 81327575]

約数ペア:

[(1, 81327575), (5, 16265515), (7, 11618225), (17, 4783975), (25, 3253103), (35, 2323645), (85, 956795), (119, 683425), (175, 464729), (425, 191359), (595, 136685), (2975, 27337)]