72021945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{282439}}^1$

素因数の和:282464

約数の個数: 16

約数和(自身を含む): 122014080

約数和(自身を除く): 49992135

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 282439, 847317, 1412195, 4236585, 4801463, 14404389, 24007315, 72021945]

約数ペア:

[(1, 72021945), (3, 24007315), (5, 14404389), (15, 4801463), (17, 4236585), (51, 1412195), (85, 847317), (255, 282439)]