7897761

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{641}}^1$

素因数の和:721

約数の個数: 18

約数和(自身を含む): 11742822

約数和(自身を除く): 3845061

約数列:

[1, 3, 9, 37, 111, 333, 641, 1369, 1923, 4107, 5769, 12321, 23717, 71151, 213453, 877529, 2632587, 7897761]

約数ペア:

[(1, 7897761), (3, 2632587), (9, 877529), (37, 213453), (111, 71151), (333, 23717), (641, 12321), (1369, 5769), (1923, 4107)]