138720906

素因数分解:

$2^1\times 3^2\times {\mathrm{7706717}}^1$

素因数の和:7706725

約数の個数: 12

約数和(自身を含む): 300562002

約数和(自身を除く): 161841096

約数列:

[1, 2, 3, 6, 9, 18, 7706717, 15413434, 23120151, 46240302, 69360453, 138720906]

約数ペア:

[(1, 138720906), (2, 69360453), (3, 46240302), (6, 23120151), (9, 15413434), (18, 7706717)]