399627

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:88

約数の個数: 24

約数和(自身を含む): 640080

約数和(自身を除く): 240453

約数列:

[1, 3, 9, 19, 27, 41, 57, 123, 171, 361, 369, 513, 779, 1083, 1107, 2337, 3249, 7011, 9747, 14801, 21033, 44403, 133209, 399627]

約数ペア:

[(1, 399627), (3, 133209), (9, 44403), (19, 21033), (27, 14801), (41, 9747), (57, 7011), (123, 3249), (171, 2337), (361, 1107), (369, 1083), (513, 779)]