1280495517

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1966967}}^1$

素因数の和:1967008

約数の個数: 16

約数和(自身を含む): 2014175232

約数和(自身を除く): 733679715

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 1966967, 5900901, 13768769, 41306307, 60975977, 182927931, 426831839, 1280495517]

約数ペア:

[(1, 1280495517), (3, 426831839), (7, 182927931), (21, 60975977), (31, 41306307), (93, 13768769), (217, 5900901), (651, 1966967)]