12861405

素因数分解:

$3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{919}}^1$

素因数の和:1241

約数の個数: 24

約数和(自身を含む): 22389120

約数和(自身を除く): 9527715

約数列:

[1, 3, 5, 9, 15, 45, 311, 919, 933, 1555, 2757, 2799, 4595, 4665, 8271, 13785, 13995, 41355, 285809, 857427, 1429045, 2572281, 4287135, 12861405]

約数ペア:

[(1, 12861405), (3, 4287135), (5, 2572281), (9, 1429045), (15, 857427), (45, 285809), (311, 41355), (919, 13995), (933, 13785), (1555, 8271), (2757, 4665), (2799, 4595)]