152356239

素因数分解:

$3^2\times 7^2\times {\mathrm{345479}}^1$

素因数の和:345499

約数の個数: 18

約数和(自身を含む): 256000680

約数和(自身を除く): 103644441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 345479, 1036437, 2418353, 3109311, 7255059, 16928471, 21765177, 50785413, 152356239]

約数ペア:

[(1, 152356239), (3, 50785413), (7, 21765177), (9, 16928471), (21, 7255059), (49, 3109311), (63, 2418353), (147, 1036437), (441, 345479)]