31449231

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{28879}}^1$

素因数の和:28907

約数の個数: 18

約数和(自身を含む): 49933520

約数和(自身を除く): 18484289

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 28879, 86637, 259911, 317669, 953007, 2859021, 3494359, 10483077, 31449231]

約数ペア:

[(1, 31449231), (3, 10483077), (9, 3494359), (11, 2859021), (33, 953007), (99, 317669), (121, 259911), (363, 86637), (1089, 28879)]