139864221

素因数分解:

$3^2\times 7^1\times {\mathrm{701}}^1\times {\mathrm{3167}}^1$

素因数の和:3881

約数の個数: 24

約数和(自身を含む): 231289344

約数和(自身を除く): 91425123

約数列:

[1, 3, 7, 9, 21, 63, 701, 2103, 3167, 4907, 6309, 9501, 14721, 22169, 28503, 44163, 66507, 199521, 2220067, 6660201, 15540469, 19980603, 46621407, 139864221]

約数ペア:

[(1, 139864221), (3, 46621407), (7, 19980603), (9, 15540469), (21, 6660201), (63, 2220067), (701, 199521), (2103, 66507), (3167, 44163), (4907, 28503), (6309, 22169), (9501, 14721)]