399003

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:234

約数の個数: 16

約数和(自身を含む): 590976

約数和(自身を除く): 191973

約数列:

[1, 3, 11, 33, 107, 113, 321, 339, 1177, 1243, 3531, 3729, 12091, 36273, 133001, 399003]

約数ペア:

[(1, 399003), (3, 133001), (11, 36273), (33, 12091), (107, 3729), (113, 3531), (321, 1243), (339, 1177)]