1027668817

素因数分解:

$7^4\times {\mathrm{31}}^1\times {\mathrm{13807}}^1$

素因数の和:13866

約数の個数: 20

約数和(自身を含む): 1237638656

約数和(自身を除く): 209969839

約数列:

[1, 7, 31, 49, 217, 343, 1519, 2401, 10633, 13807, 74431, 96649, 428017, 676543, 2996119, 4735801, 20972833, 33150607, 146809831, 1027668817]

約数ペア:

[(1, 1027668817), (7, 146809831), (31, 33150607), (49, 20972833), (217, 4735801), (343, 2996119), (1519, 676543), (2401, 428017), (10633, 96649), (13807, 74431)]