12920454909

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{467}}^1\times {\mathrm{4679}}^1$

素因数の和:5231

約数の個数: 40

約数和(自身を含む): 19611408960

約数和(自身を除く): 6690954051

約数列:

[1, 3, 9, 27, 73, 81, 219, 467, 657, 1401, 1971, 4203, 4679, 5913, 12609, 14037, 34091, 37827, 42111, 102273, 126333, 306819, 341567, 378999, 920457, 1024701, 2185093, 2761371, 3074103, 6555279, 9222309, 19665837, 27666927, 58997511, 159511789, 176992533, 478535367, 1435606101, 4306818303, 12920454909]

約数ペア:

[(1, 12920454909), (3, 4306818303), (9, 1435606101), (27, 478535367), (73, 176992533), (81, 159511789), (219, 58997511), (467, 27666927), (657, 19665837), (1401, 9222309), (1971, 6555279), (4203, 3074103), (4679, 2761371), (5913, 2185093), (12609, 1024701), (14037, 920457), (34091, 378999), (37827, 341567), (42111, 306819), (102273, 126333)]