280149004821

素因数分解:

$3^1\times 7^3\times {\mathrm{431}}^1\times {\mathrm{631679}}^1$

素因数の和:632134

約数の個数: 32

約数和(自身を含む): 436617216000

約数和(自身を除く): 156468211179

約数列:

[1, 3, 7, 21, 49, 147, 343, 431, 1029, 1293, 3017, 9051, 21119, 63357, 147833, 443499, 631679, 1895037, 4421753, 13265259, 30952271, 92856813, 216665897, 272253649, 649997691, 816760947, 1905775543, 5717326629, 13340428801, 40021286403, 93383001607, 280149004821]

約数ペア:

[(1, 280149004821), (3, 93383001607), (7, 40021286403), (21, 13340428801), (49, 5717326629), (147, 1905775543), (343, 816760947), (431, 649997691), (1029, 272253649), (1293, 216665897), (3017, 92856813), (9051, 30952271), (21119, 13265259), (63357, 4421753), (147833, 1895037), (443499, 631679)]