28902915

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4091}}^1$

素因数の和:4259

約数の個数: 24

約数和(自身を含む): 50429808

約数和(自身を除く): 21526893

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 4091, 7065, 12273, 20455, 36819, 61365, 184095, 642287, 1926861, 3211435, 5780583, 9634305, 28902915]

約数ペア:

[(1, 28902915), (3, 9634305), (5, 5780583), (9, 3211435), (15, 1926861), (45, 642287), (157, 184095), (471, 61365), (785, 36819), (1413, 20455), (2355, 12273), (4091, 7065)]