31689063

素因数分解:

$3^4\times 7^1\times {\mathrm{55889}}^1$

素因数の和:55908

約数の個数: 20

約数和(自身を含む): 54101520

約数和(自身を除く): 22412457

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 55889, 167667, 391223, 503001, 1173669, 1509003, 3521007, 4527009, 10563021, 31689063]

約数ペア:

[(1, 31689063), (3, 10563021), (7, 4527009), (9, 3521007), (21, 1509003), (27, 1173669), (63, 503001), (81, 391223), (189, 167667), (567, 55889)]