2561679

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{5581}}^1$

素因数の和:5607

約数の個数: 16

約数和(自身を含む): 4019040

約数和(自身を除く): 1457361

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 5581, 16743, 50229, 94877, 150687, 284631, 853893, 2561679]

約数ペア:

[(1, 2561679), (3, 853893), (9, 284631), (17, 150687), (27, 94877), (51, 50229), (153, 16743), (459, 5581)]