12800265

素因数分解:

$3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1291}}^1$

素因数の和:1960

約数の個数: 16

約数和(自身を含む): 20527296

約数和(自身を除く): 7727031

約数列:

[1, 3, 5, 15, 661, 1291, 1983, 3305, 3873, 6455, 9915, 19365, 853351, 2560053, 4266755, 12800265]

約数ペア:

[(1, 12800265), (3, 4266755), (5, 2560053), (15, 853351), (661, 19365), (1291, 9915), (1983, 6455), (3305, 3873)]