51409281

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31793}}^1$

素因数の和:31821

約数の個数: 24

約数和(自身を含む): 86988384

約数和(自身を除く): 35579103

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 31793, 95379, 222551, 349723, 667653, 1049169, 1557857, 2448061, 4673571, 7344183, 17136427, 51409281]

約数ペア:

[(1, 51409281), (3, 17136427), (7, 7344183), (11, 4673571), (21, 2448061), (33, 1557857), (49, 1049169), (77, 667653), (147, 349723), (231, 222551), (539, 95379), (1617, 31793)]