139380913

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{1709}}^1$

素因数の和:1968

約数の個数: 16

約数和(自身を含む): 162846720

約数和(自身を除く): 23465807

約数列:

[1, 7, 61, 191, 427, 1337, 1709, 11651, 11963, 81557, 104249, 326419, 729743, 2284933, 19911559, 139380913]

約数ペア:

[(1, 139380913), (7, 19911559), (61, 2284933), (191, 729743), (427, 326419), (1337, 104249), (1709, 81557), (11651, 11963)]