31115259

素因数分解:

$3^4\times 7^1\times {\mathrm{54877}}^1$

素因数の和:54896

約数の個数: 20

約数和(自身を含む): 53121904

約数和(自身を除く): 22006645

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 54877, 164631, 384139, 493893, 1152417, 1481679, 3457251, 4445037, 10371753, 31115259]

約数ペア:

[(1, 31115259), (3, 10371753), (7, 4445037), (9, 3457251), (21, 1481679), (27, 1152417), (63, 493893), (81, 384139), (189, 164631), (567, 54877)]