16418991

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7487}}^1$

素因数の和:7550

約数の個数: 16

約数和(自身を含む): 23721984

約数和(自身を除く): 7302993

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 7487, 22461, 127279, 321941, 381837, 965823, 5472997, 16418991]

約数ペア:

[(1, 16418991), (3, 5472997), (17, 965823), (43, 381837), (51, 321941), (129, 127279), (731, 22461), (2193, 7487)]