390039

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:226

約数の個数: 16

約数和(自身を含む): 571872

約数和(自身を除く): 181833

約数列:

[1, 3, 13, 39, 73, 137, 219, 411, 949, 1781, 2847, 5343, 10001, 30003, 130013, 390039]

約数ペア:

[(1, 390039), (3, 130013), (13, 30003), (39, 10001), (73, 5343), (137, 2847), (219, 1781), (411, 949)]