31179171

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12721}}^1$

素因数の和:12786

約数の個数: 16

約数和(自身を含む): 44781440

約数和(自身を除く): 13602269

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 12721, 38163, 241699, 547003, 725097, 1641009, 10393057, 31179171]

約数ペア:

[(1, 31179171), (3, 10393057), (19, 1641009), (43, 725097), (57, 547003), (129, 241699), (817, 38163), (2451, 12721)]