40578561

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{397}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 60411624

約数和(自身を除く): 19833063

約数列:

[1, 3, 9, 41, 123, 277, 369, 397, 831, 1191, 2493, 3573, 11357, 16277, 34071, 48831, 102213, 109969, 146493, 329907, 989721, 4508729, 13526187, 40578561]

約数ペア:

[(1, 40578561), (3, 13526187), (9, 4508729), (41, 989721), (123, 329907), (277, 146493), (369, 109969), (397, 102213), (831, 48831), (1191, 34071), (2493, 16277), (3573, 11357)]