661232511

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{790003}}^1$

素因数の和:790043

約数の個数: 16

約数和(自身を含む): 1011205120

約数和(自身を除く): 349972609

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 790003, 2370009, 7110027, 21330081, 24490093, 73470279, 220410837, 661232511]

約数ペア:

[(1, 661232511), (3, 220410837), (9, 73470279), (27, 24490093), (31, 21330081), (93, 7110027), (279, 2370009), (837, 790003)]