2140245

素因数分解:

$3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 3744000

約数和(自身を除く): 1603755

約数列:

[1, 3, 5, 9, 15, 45, 199, 239, 597, 717, 995, 1195, 1791, 2151, 2985, 3585, 8955, 10755, 47561, 142683, 237805, 428049, 713415, 2140245]

約数ペア:

[(1, 2140245), (3, 713415), (5, 428049), (9, 237805), (15, 142683), (45, 47561), (199, 10755), (239, 8955), (597, 3585), (717, 2985), (995, 2151), (1195, 1791)]