12899985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17551}}^1$

素因数の和:17573

約数の個数: 24

約数和(自身を含む): 24011136

約数和(自身を除く): 11111151

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 17551, 52653, 87755, 122857, 263265, 368571, 614285, 859999, 1842855, 2579997, 4299995, 12899985]

約数ペア:

[(1, 12899985), (3, 4299995), (5, 2579997), (7, 1842855), (15, 859999), (21, 614285), (35, 368571), (49, 263265), (105, 122857), (147, 87755), (245, 52653), (735, 17551)]