40383231

素因数分解:

$3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{3691}}^1$

素因数の和:4222

約数の個数: 16

約数和(自身を含む): 61671168

約数和(自身を除く): 21287937

約数列:

[1, 3, 7, 21, 521, 1563, 3647, 3691, 10941, 11073, 25837, 77511, 1923011, 5769033, 13461077, 40383231]

約数ペア:

[(1, 40383231), (3, 13461077), (7, 5769033), (21, 1923011), (521, 77511), (1563, 25837), (3647, 11073), (3691, 10941)]