8900865

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1423}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 15550080

約数和(自身を除く): 6649215

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 1423, 2085, 4269, 6255, 7115, 12807, 21345, 64035, 197797, 593391, 988985, 1780173, 2966955, 8900865]

約数ペア:

[(1, 8900865), (3, 2966955), (5, 1780173), (9, 988985), (15, 593391), (45, 197797), (139, 64035), (417, 21345), (695, 12807), (1251, 7115), (1423, 6255), (2085, 4269)]