78136731

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{9551}}^1$

素因数の和:9664

約数の個数: 20

約数和(自身を含む): 117890784

約数和(自身を除く): 39754053

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2727, 8181, 9551, 28653, 85959, 257877, 773631, 964651, 2893953, 8681859, 26045577, 78136731]

約数ペア:

[(1, 78136731), (3, 26045577), (9, 8681859), (27, 2893953), (81, 964651), (101, 773631), (303, 257877), (909, 85959), (2727, 28653), (8181, 9551)]