201788241921

素因数分解:

$3^2\times 7^1\times {\mathrm{3202987967}}^1$

素因数の和:3202987980

約数の個数: 12

約数和(自身を含む): 333110748672

約数和(自身を除く): 131322506751

約数列:

[1, 3, 7, 9, 21, 63, 3202987967, 9608963901, 22420915769, 28826891703, 67262747307, 201788241921]

約数ペア:

[(1, 201788241921), (3, 67262747307), (7, 28826891703), (9, 22420915769), (21, 9608963901), (63, 3202987967)]