970996887

素因数分解:

$3^2\times 7^2\times {\mathrm{2201807}}^1$

素因数の和:2201827

約数の個数: 18

約数和(自身を含む): 1631539728

約数和(自身を除く): 660542841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 2201807, 6605421, 15412649, 19816263, 46237947, 107888543, 138713841, 323665629, 970996887]

約数ペア:

[(1, 970996887), (3, 323665629), (7, 138713841), (9, 107888543), (21, 46237947), (49, 19816263), (63, 15412649), (147, 6605421), (441, 2201807)]