28859121

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 43026984

約数和(自身を除く): 14167863

約数列:

[1, 3, 9, 41, 123, 197, 369, 397, 591, 1191, 1773, 3573, 8077, 16277, 24231, 48831, 72693, 78209, 146493, 234627, 703881, 3206569, 9619707, 28859121]

約数ペア:

[(1, 28859121), (3, 9619707), (9, 3206569), (41, 703881), (123, 234627), (197, 146493), (369, 78209), (397, 72693), (591, 48831), (1191, 24231), (1773, 16277), (3573, 8077)]