939898305

素因数分解:

$3^2\times 5^1\times {\mathrm{20886629}}^1$

素因数の和:20886640

約数の個数: 12

約数和(自身を含む): 1629157140

約数和(自身を除く): 689258835

約数列:

[1, 3, 5, 9, 15, 45, 20886629, 62659887, 104433145, 187979661, 313299435, 939898305]

約数ペア:

[(1, 939898305), (3, 313299435), (5, 187979661), (9, 104433145), (15, 62659887), (45, 20886629)]