775778877

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{68903}}^1$

素因数の和:69054

約数の個数: 20

約数和(自身を含む): 1167233760

約数和(自身を除く): 391454883

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 68903, 206709, 620127, 1860381, 5581143, 9577517, 28732551, 86197653, 258592959, 775778877]

約数ペア:

[(1, 775778877), (3, 258592959), (9, 86197653), (27, 28732551), (81, 9577517), (139, 5581143), (417, 1860381), (1251, 620127), (3753, 206709), (11259, 68903)]