2247347781

素因数分解:

$3^3\times 7^1\times {\mathrm{661}}^1\times {\mathrm{17989}}^1$

素因数の和:18666

約数の個数: 32

約数和(自身を含む): 3811001600

約数和(自身を除く): 1563653819

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 661, 1983, 4627, 5949, 13881, 17847, 17989, 41643, 53967, 124929, 125923, 161901, 377769, 485703, 1133307, 3399921, 11890729, 35672187, 83235103, 107016561, 249705309, 321049683, 749115927, 2247347781]

約数ペア:

[(1, 2247347781), (3, 749115927), (7, 321049683), (9, 249705309), (21, 107016561), (27, 83235103), (63, 35672187), (189, 11890729), (661, 3399921), (1983, 1133307), (4627, 485703), (5949, 377769), (13881, 161901), (17847, 125923), (17989, 124929), (41643, 53967)]