2578941

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 3963960

約数和(自身を除く): 1385019

約数列:

[1, 3, 9, 29, 41, 87, 123, 241, 261, 369, 723, 1189, 2169, 3567, 6989, 9881, 10701, 20967, 29643, 62901, 88929, 286549, 859647, 2578941]

約数ペア:

[(1, 2578941), (3, 859647), (9, 286549), (29, 88929), (41, 62901), (87, 29643), (123, 20967), (241, 10701), (261, 9881), (369, 6989), (723, 3567), (1189, 2169)]