81127575

素因数分解:

$3^4\times 5^2\times {\mathrm{40063}}^1$

素因数の和:40085

約数の個数: 30

約数和(自身を含む): 150280064

約数和(自身を除く): 69152489

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 40063, 120189, 200315, 360567, 600945, 1001575, 1081701, 1802835, 3004725, 3245103, 5408505, 9014175, 16225515, 27042525, 81127575]

約数ペア:

[(1, 81127575), (3, 27042525), (5, 16225515), (9, 9014175), (15, 5408505), (25, 3245103), (27, 3004725), (45, 1802835), (75, 1081701), (81, 1001575), (135, 600945), (225, 360567), (405, 200315), (675, 120189), (2025, 40063)]