80821431

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{1489}}^1$

素因数の和:1695

約数の個数: 24

約数和(自身を含む): 120713840

約数和(自身を除く): 39892409

約数列:

[1, 3, 9, 37, 111, 163, 333, 489, 1467, 1489, 4467, 6031, 13401, 18093, 54279, 55093, 165279, 242707, 495837, 728121, 2184363, 8980159, 26940477, 80821431]

約数ペア:

[(1, 80821431), (3, 26940477), (9, 8980159), (37, 2184363), (111, 728121), (163, 495837), (333, 242707), (489, 165279), (1467, 55093), (1489, 54279), (4467, 18093), (6031, 13401)]