12920511

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2707}}^1$

素因数の和:2790

約数の個数: 16

約数和(自身を含む): 18111104

約数和(自身を除く): 5190593

約数列:

[1, 3, 37, 43, 111, 129, 1591, 2707, 4773, 8121, 100159, 116401, 300477, 349203, 4306837, 12920511]

約数ペア:

[(1, 12920511), (3, 4306837), (37, 349203), (43, 300477), (111, 116401), (129, 100159), (1591, 8121), (2707, 4773)]