289228821

素因数分解:

$3^1\times 7^2\times {\mathrm{1967543}}^1$

素因数の和:1967560

約数の個数: 12

約数和(自身を含む): 448600032

約数和(自身を除く): 159371211

約数列:

[1, 3, 7, 21, 49, 147, 1967543, 5902629, 13772801, 41318403, 96409607, 289228821]

約数ペア:

[(1, 289228821), (3, 96409607), (7, 41318403), (21, 13772801), (49, 5902629), (147, 1967543)]