2690811

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 4221360

約数和(自身を除く): 1530549

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 409, 731, 1227, 2193, 3681, 6579, 6953, 17587, 20859, 52761, 62577, 158283, 298979, 896937, 2690811]

約数ペア:

[(1, 2690811), (3, 896937), (9, 298979), (17, 158283), (43, 62577), (51, 52761), (129, 20859), (153, 17587), (387, 6953), (409, 6579), (731, 3681), (1227, 2193)]