2121597

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{653}}^1$

素因数の和:697

約数の個数: 18

約数和(自身を含む): 3239262

約数和(自身を除く): 1117665

約数列:

[1, 3, 9, 19, 57, 171, 361, 653, 1083, 1959, 3249, 5877, 12407, 37221, 111663, 235733, 707199, 2121597]

約数ペア:

[(1, 2121597), (3, 707199), (9, 235733), (19, 111663), (57, 37221), (171, 12407), (361, 5877), (653, 3249), (1083, 1959)]