399778857

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{3169}}^1$

素因数の和:3413

約数の個数: 24

約数和(自身を含む): 587489760

約数和(自身を除く): 187710903

約数列:

[1, 3, 9, 107, 131, 321, 393, 963, 1179, 3169, 9507, 14017, 28521, 42051, 126153, 339083, 415139, 1017249, 1245417, 3051747, 3736251, 44419873, 133259619, 399778857]

約数ペア:

[(1, 399778857), (3, 133259619), (9, 44419873), (107, 3736251), (131, 3051747), (321, 1245417), (393, 1017249), (963, 415139), (1179, 339083), (3169, 126153), (9507, 42051), (14017, 28521)]