1257897789

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{366841}}^1$

素因数の和:366977

約数の個数: 16

約数和(自身を含む): 1878231040

約数和(自身を除く): 620333251

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 366841, 1100523, 3301569, 9904707, 46588807, 139766421, 419299263, 1257897789]

約数ペア:

[(1, 1257897789), (3, 419299263), (9, 139766421), (27, 46588807), (127, 9904707), (381, 3301569), (1143, 1100523), (3429, 366841)]