9780156295

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21494849}}^1$

素因数の和:21494874

約数の個数: 16

約数和(自身を含む): 14444539200

約数和(自身を除く): 4664382905

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 21494849, 107474245, 150463943, 279433037, 752319715, 1397165185, 1956031259, 9780156295]

約数ペア:

[(1, 9780156295), (5, 1956031259), (7, 1397165185), (13, 752319715), (35, 279433037), (65, 150463943), (91, 107474245), (455, 21494849)]