78877539

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{51859}}^1$

素因数の和:51891

約数の個数: 18

約数和(自身を含む): 123374940

約数和(自身を除く): 44497401

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 51859, 155577, 466731, 674167, 2022501, 6067503, 8764171, 26292513, 78877539]

約数ペア:

[(1, 78877539), (3, 26292513), (9, 8764171), (13, 6067503), (39, 2022501), (117, 674167), (169, 466731), (507, 155577), (1521, 51859)]