81183157027

素因数分解:

$7^4\times {\mathrm{31}}^1\times {\mathrm{1090717}}^1$

素因数の和:1090776

約数の個数: 20

約数和(自身を含む): 97763235776

約数和(自身を除く): 16580078749

約数列:

[1, 7, 31, 49, 217, 343, 1519, 2401, 10633, 74431, 1090717, 7635019, 33812227, 53445133, 236685589, 374115931, 1656799123, 2618811517, 11597593861, 81183157027]

約数ペア:

[(1, 81183157027), (7, 11597593861), (31, 2618811517), (49, 1656799123), (217, 374115931), (343, 236685589), (1519, 53445133), (2401, 33812227), (10633, 7635019), (74431, 1090717)]