61388445

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{240739}}^1$

素因数の和:240764

約数の個数: 16

約数和(自身を含む): 103999680

約数和(自身を除く): 42611235

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 240739, 722217, 1203695, 3611085, 4092563, 12277689, 20462815, 61388445]

約数ペア:

[(1, 61388445), (3, 20462815), (5, 12277689), (15, 4092563), (17, 3611085), (51, 1203695), (85, 722217), (255, 240739)]