887987511

素因数分解:

$3^2\times {\mathrm{29}}^2\times {\mathrm{117319}}^1$

素因数の和:117383

約数の個数: 18

約数和(自身を含む): 1328414360

約数和(自身を除く): 440426849

約数列:

[1, 3, 9, 29, 87, 261, 841, 2523, 7569, 117319, 351957, 1055871, 3402251, 10206753, 30620259, 98665279, 295995837, 887987511]

約数ペア:

[(1, 887987511), (3, 295995837), (9, 98665279), (29, 30620259), (87, 10206753), (261, 3402251), (841, 1055871), (2523, 351957), (7569, 117319)]