40401879

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{13841}}^1$

素因数の和:13990

約数の個数: 16

約数和(自身を含む): 62012160

約数和(自身を除く): 21610281

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 13841, 41523, 96887, 290661, 1923899, 5771697, 13467293, 40401879]

約数ペア:

[(1, 40401879), (3, 13467293), (7, 5771697), (21, 1923899), (139, 290661), (417, 96887), (973, 41523), (2919, 13841)]