68139945

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{11923}}^1$

素因数の和:12061

約数の個数: 24

約数和(自身を含む): 119049216

約数和(自身を除く): 50909271

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 5715, 11923, 35769, 59615, 107307, 178845, 536535, 1514221, 4542663, 7571105, 13627989, 22713315, 68139945]

約数ペア:

[(1, 68139945), (3, 22713315), (5, 13627989), (9, 7571105), (15, 4542663), (45, 1514221), (127, 536535), (381, 178845), (635, 107307), (1143, 59615), (1905, 35769), (5715, 11923)]