66917781

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3701}}^1$

素因数の和:3762

約数の個数: 36

約数和(自身を含む): 115213644

約数和(自身を除く): 48295863

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 2009, 2583, 3701, 6027, 11103, 18081, 25907, 33309, 77721, 151741, 181349, 233163, 455223, 544047, 1062187, 1365669, 1632141, 3186561, 7435309, 9559683, 22305927, 66917781]

約数ペア:

[(1, 66917781), (3, 22305927), (7, 9559683), (9, 7435309), (21, 3186561), (41, 1632141), (49, 1365669), (63, 1062187), (123, 544047), (147, 455223), (287, 233163), (369, 181349), (441, 151741), (861, 77721), (2009, 33309), (2583, 25907), (3701, 18081), (6027, 11103)]