12720795

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{16001}}^1$

素因数の和:16062

約数の個数: 16

約数和(自身を含む): 20738592

約数和(自身を除く): 8017797

約数列:

[1, 3, 5, 15, 53, 159, 265, 795, 16001, 48003, 80005, 240015, 848053, 2544159, 4240265, 12720795]

約数ペア:

[(1, 12720795), (3, 4240265), (5, 2544159), (15, 848053), (53, 240015), (159, 80005), (265, 48003), (795, 16001)]