128242017

素因数分解:

$3^2\times {\mathrm{653}}^1\times {\mathrm{21821}}^1$

素因数の和:22480

約数の個数: 12

約数和(自身を含む): 185530644

約数和(自身を除く): 57288627

約数列:

[1, 3, 9, 653, 1959, 5877, 21821, 65463, 196389, 14249113, 42747339, 128242017]

約数ペア:

[(1, 128242017), (3, 42747339), (9, 14249113), (653, 196389), (1959, 65463), (5877, 21821)]