17980929

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 26604864

約数和(自身を除く): 8623935

約数列:

[1, 3, 9, 101, 131, 151, 303, 393, 453, 909, 1179, 1359, 13231, 15251, 19781, 39693, 45753, 59343, 119079, 137259, 178029, 1997881, 5993643, 17980929]

約数ペア:

[(1, 17980929), (3, 5993643), (9, 1997881), (101, 178029), (131, 137259), (151, 119079), (303, 59343), (393, 45753), (453, 39693), (909, 19781), (1179, 15251), (1359, 13231)]