489452859

素因数分解:

$3^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{15823}}^1$

素因数の和:16327

約数の個数: 24

約数和(自身を含む): 809682432

約数和(自身を除く): 320229573

約数列:

[1, 3, 7, 9, 21, 63, 491, 1473, 3437, 4419, 10311, 15823, 30933, 47469, 110761, 142407, 332283, 996849, 7769093, 23307279, 54383651, 69921837, 163150953, 489452859]

約数ペア:

[(1, 489452859), (3, 163150953), (7, 69921837), (9, 54383651), (21, 23307279), (63, 7769093), (491, 996849), (1473, 332283), (3437, 142407), (4419, 110761), (10311, 47469), (15823, 30933)]