81373977

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1475

約数の個数: 40

約数和(自身を含む): 131028480

約数和(自身を除く): 49654503

約数列:

[1, 3, 9, 23, 27, 31, 69, 81, 93, 207, 279, 621, 713, 837, 1409, 1863, 2139, 2511, 4227, 6417, 12681, 19251, 32407, 38043, 43679, 57753, 97221, 114129, 131037, 291663, 393111, 874989, 1004617, 1179333, 2624967, 3013851, 3537999, 9041553, 27124659, 81373977]

約数ペア:

[(1, 81373977), (3, 27124659), (9, 9041553), (23, 3537999), (27, 3013851), (31, 2624967), (69, 1179333), (81, 1004617), (93, 874989), (207, 393111), (279, 291663), (621, 131037), (713, 114129), (837, 97221), (1409, 57753), (1863, 43679), (2139, 38043), (2511, 32407), (4227, 19251), (6417, 12681)]