81450837

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{2647}}^1$

素因数の和:2929

約数の個数: 24

約数和(自身を含む): 127231104

約数和(自身を除く): 45780267

約数列:

[1, 3, 9, 13, 39, 117, 263, 789, 2367, 2647, 3419, 7941, 10257, 23823, 30771, 34411, 103233, 309699, 696161, 2088483, 6265449, 9050093, 27150279, 81450837]

約数ペア:

[(1, 81450837), (3, 27150279), (9, 9050093), (13, 6265449), (39, 2088483), (117, 696161), (263, 309699), (789, 103233), (2367, 34411), (2647, 30771), (3419, 23823), (7941, 10257)]