138016971

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{5023}}^1$

素因数の和:5143

約数の個数: 24

約数和(自身を含む): 206908416

約数和(自身を除く): 68891445

約数列:

[1, 3, 9, 43, 71, 129, 213, 387, 639, 3053, 5023, 9159, 15069, 27477, 45207, 215989, 356633, 647967, 1069899, 1943901, 3209697, 15335219, 46005657, 138016971]

約数ペア:

[(1, 138016971), (3, 46005657), (9, 15335219), (43, 3209697), (71, 1943901), (129, 1069899), (213, 647967), (387, 356633), (639, 215989), (3053, 45207), (5023, 27477), (9159, 15069)]