68420907

素因数分解:

$3^2\times {\mathrm{131}}^2\times {\mathrm{443}}^1$

素因数の和:711

約数の個数: 18

約数和(自身を含む): 99815196

約数和(自身を除く): 31394289

約数列:

[1, 3, 9, 131, 393, 443, 1179, 1329, 3987, 17161, 51483, 58033, 154449, 174099, 522297, 7602323, 22806969, 68420907]

約数ペア:

[(1, 68420907), (3, 22806969), (9, 7602323), (131, 522297), (393, 174099), (443, 154449), (1179, 58033), (1329, 51483), (3987, 17161)]