3907485

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1223}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 6873984

約数和(自身を除く): 2966499

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 1223, 3195, 3669, 6115, 11007, 18345, 55035, 86833, 260499, 434165, 781497, 1302495, 3907485]

約数ペア:

[(1, 3907485), (3, 1302495), (5, 781497), (9, 434165), (15, 260499), (45, 86833), (71, 55035), (213, 18345), (355, 11007), (639, 6115), (1065, 3669), (1223, 3195)]