6650721

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{457}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 12530880

約数和(自身を除く): 5880159

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 231, 297, 441, 457, 539, 693, 1323, 1371, 1617, 2079, 3199, 4113, 4851, 5027, 9597, 12339, 14553, 15081, 22393, 28791, 35189, 45243, 67179, 86373, 105567, 135729, 201537, 246323, 316701, 604611, 738969, 950103, 2216907, 6650721]

約数ペア:

[(1, 6650721), (3, 2216907), (7, 950103), (9, 738969), (11, 604611), (21, 316701), (27, 246323), (33, 201537), (49, 135729), (63, 105567), (77, 86373), (99, 67179), (147, 45243), (189, 35189), (231, 28791), (297, 22393), (441, 15081), (457, 14553), (539, 12339), (693, 9597), (1323, 5027), (1371, 4851), (1617, 4113), (2079, 3199)]