2580129

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 3912480

約数和(自身を除く): 1332351

約数列:

[1, 3, 9, 43, 59, 113, 129, 177, 339, 387, 531, 1017, 2537, 4859, 6667, 7611, 14577, 20001, 22833, 43731, 60003, 286681, 860043, 2580129]

約数ペア:

[(1, 2580129), (3, 860043), (9, 286681), (43, 60003), (59, 43731), (113, 22833), (129, 20001), (177, 14577), (339, 7611), (387, 6667), (531, 4859), (1017, 2537)]