9901215

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3607}}^1$

素因数の和:3679

約数の個数: 24

約数和(自身を含む): 17448288

約数和(自身を除く): 7547073

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 3607, 10821, 18035, 32463, 54105, 162315, 220027, 660081, 1100135, 1980243, 3300405, 9901215]

約数ペア:

[(1, 9901215), (3, 3300405), (5, 1980243), (9, 1100135), (15, 660081), (45, 220027), (61, 162315), (183, 54105), (305, 32463), (549, 18035), (915, 10821), (2745, 3607)]