31105359

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{11959}}^1$

素因数の和:11999

約数の個数: 18

約数和(自身を含む): 47732360

約数和(自身を除く): 16627001

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 11959, 35877, 107631, 203303, 609909, 1829727, 3456151, 10368453, 31105359]

約数ペア:

[(1, 31105359), (3, 10368453), (9, 3456151), (17, 1829727), (51, 609909), (153, 203303), (289, 107631), (867, 35877), (2601, 11959)]