384993

素因数分解:

$3^4\times 7^2\times {\mathrm{97}}^1$

素因数の和:123

約数の個数: 30

約数和(自身を含む): 675906

約数和(自身を除く): 290913

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 97, 147, 189, 291, 441, 567, 679, 873, 1323, 2037, 2619, 3969, 4753, 6111, 7857, 14259, 18333, 42777, 54999, 128331, 384993]

約数ペア:

[(1, 384993), (3, 128331), (7, 54999), (9, 42777), (21, 18333), (27, 14259), (49, 7857), (63, 6111), (81, 4753), (97, 3969), (147, 2619), (189, 2037), (291, 1323), (441, 873), (567, 679)]