81801621

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{3049}}^1$

素因数の和:3337

約数の個数: 24

約数和(自身を含む): 129417600

約数和(自身を除く): 47615979

約数列:

[1, 3, 9, 11, 33, 99, 271, 813, 2439, 2981, 3049, 8943, 9147, 26829, 27441, 33539, 100617, 301851, 826279, 2478837, 7436511, 9089069, 27267207, 81801621]

約数ペア:

[(1, 81801621), (3, 27267207), (9, 9089069), (11, 7436511), (33, 2478837), (99, 826279), (271, 301851), (813, 100617), (2439, 33539), (2981, 27441), (3049, 26829), (8943, 9147)]