9901845

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1063}}^1$

素因数の和:1103

約数の個数: 40

約数和(自身を含む): 18539136

約数和(自身を除く): 8637291

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1063, 1863, 3105, 3189, 5315, 9315, 9567, 15945, 24449, 28701, 47835, 73347, 86103, 122245, 143505, 220041, 366735, 430515, 660123, 1100205, 1980369, 3300615, 9901845]

約数ペア:

[(1, 9901845), (3, 3300615), (5, 1980369), (9, 1100205), (15, 660123), (23, 430515), (27, 366735), (45, 220041), (69, 143505), (81, 122245), (115, 86103), (135, 73347), (207, 47835), (345, 28701), (405, 24449), (621, 15945), (1035, 9567), (1063, 9315), (1863, 5315), (3105, 3189)]