289397721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{123833}}^1$

素因数の和:123896

約数の個数: 16

約数和(自身を含む): 416082240

約数和(自身を除く): 126684519

約数列:

[1, 3, 19, 41, 57, 123, 779, 2337, 123833, 371499, 2352827, 5077153, 7058481, 15231459, 96465907, 289397721]

約数ペア:

[(1, 289397721), (3, 96465907), (19, 15231459), (41, 7058481), (57, 5077153), (123, 2352827), (779, 371499), (2337, 123833)]