2521563

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1777}}^1$

素因数の和:1834

約数の個数: 16

約数和(自身を含む): 3755136

約数和(自身を除く): 1233573

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 1777, 5331, 19547, 58641, 76411, 229233, 840521, 2521563]

約数ペア:

[(1, 2521563), (3, 840521), (11, 229233), (33, 76411), (43, 58641), (129, 19547), (473, 5331), (1419, 1777)]