31690989

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{29101}}^1$

素因数の和:29129

約数の個数: 18

約数和(自身を含む): 50317358

約数和(自身を除く): 18626369

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 29101, 87303, 261909, 320111, 960333, 2880999, 3521221, 10563663, 31690989]

約数ペア:

[(1, 31690989), (3, 10563663), (9, 3521221), (11, 2880999), (33, 960333), (99, 320111), (121, 261909), (363, 87303), (1089, 29101)]