30420078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{390001}}^1$

素因数の和:390019

約数の個数: 16

約数和(自身を含む): 65520336

約数和(自身を除く): 35100258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 390001, 780002, 1170003, 2340006, 5070013, 10140026, 15210039, 30420078]

約数ペア:

[(1, 30420078), (2, 15210039), (3, 10140026), (6, 5070013), (13, 2340006), (26, 1170003), (39, 780002), (78, 390001)]