31257567

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{28703}}^1$

素因数の和:28731

約数の個数: 18

約数和(自身を含む): 49629216

約数和(自身を除く): 18371649

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 28703, 86109, 258327, 315733, 947199, 2841597, 3473063, 10419189, 31257567]

約数ペア:

[(1, 31257567), (3, 10419189), (9, 3473063), (11, 2841597), (33, 947199), (99, 315733), (121, 258327), (363, 86109), (1089, 28703)]