80961657

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 125908992

約数和(自身を除く): 44947335

約数列:

[1, 3, 7, 21, 107, 137, 263, 321, 411, 749, 789, 959, 1841, 2247, 2877, 5523, 14659, 28141, 36031, 43977, 84423, 102613, 108093, 196987, 252217, 307839, 590961, 756651, 3855317, 11565951, 26987219, 80961657]

約数ペア:

[(1, 80961657), (3, 26987219), (7, 11565951), (21, 3855317), (107, 756651), (137, 590961), (263, 307839), (321, 252217), (411, 196987), (749, 108093), (789, 102613), (959, 84423), (1841, 43977), (2247, 36031), (2877, 28141), (5523, 14659)]