291691881

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{831031}}^1$

素因数の和:831053

約数の個数: 16

約数和(自身を含む): 465377920

約数和(自身を除く): 173686039

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 831031, 2493093, 7479279, 10803403, 22437837, 32410209, 97230627, 291691881]

約数ペア:

[(1, 291691881), (3, 97230627), (9, 32410209), (13, 22437837), (27, 10803403), (39, 7479279), (117, 2493093), (351, 831031)]