2577960063

素因数分解:

$3^2\times 7^1\times {\mathrm{40920001}}^1$

素因数の和:40920014

約数の個数: 12

約数和(自身を含む): 4255680208

約数和(自身を除く): 1677720145

約数列:

[1, 3, 7, 9, 21, 63, 40920001, 122760003, 286440007, 368280009, 859320021, 2577960063]

約数ペア:

[(1, 2577960063), (3, 859320021), (7, 368280009), (9, 286440007), (21, 122760003), (63, 40920001)]