127915767

素因数分解:

$3^4\times 7^1\times {\mathrm{225601}}^1$

素因数の和:225620

約数の個数: 20

約数和(自身を含む): 218382736

約数和(自身を除く): 90466969

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 225601, 676803, 1579207, 2030409, 4737621, 6091227, 14212863, 18273681, 42638589, 127915767]

約数ペア:

[(1, 127915767), (3, 42638589), (7, 18273681), (9, 14212863), (21, 6091227), (27, 4737621), (63, 2030409), (81, 1579207), (189, 676803), (567, 225601)]