289780389

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{77213}}^1$

素因数の和:77361

約数の個数: 16

約数和(自身を含む): 432398400

約数和(自身を除く): 142618011

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 77213, 231639, 694917, 2084751, 10732607, 32197821, 96593463, 289780389]

約数ペア:

[(1, 289780389), (3, 96593463), (9, 32197821), (27, 10732607), (139, 2084751), (417, 694917), (1251, 231639), (3753, 77213)]