39979155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{156781}}^1$

素因数の和:156806

約数の個数: 16

約数和(自身を含む): 67729824

約数和(自身を除く): 27750669

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 156781, 470343, 783905, 2351715, 2665277, 7995831, 13326385, 39979155]

約数ペア:

[(1, 39979155), (3, 13326385), (5, 7995831), (15, 2665277), (17, 2351715), (51, 783905), (85, 470343), (255, 156781)]