25981785

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5297}}^1$

素因数の和:5417

約数の個数: 24

約数和(自身を含む): 45456840

約数和(自身を除く): 19475055

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 5297, 15891, 26485, 47673, 79455, 238365, 577373, 1732119, 2886865, 5196357, 8660595, 25981785]

約数ペア:

[(1, 25981785), (3, 8660595), (5, 5196357), (9, 2886865), (15, 1732119), (45, 577373), (109, 238365), (327, 79455), (545, 47673), (981, 26485), (1635, 15891), (4905, 5297)]