2774889

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 4440072

約数和(自身を除く): 1665183

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 641, 1443, 1923, 4329, 5769, 8333, 23717, 24999, 71151, 74997, 213453, 308321, 924963, 2774889]

約数ペア:

[(1, 2774889), (3, 924963), (9, 308321), (13, 213453), (37, 74997), (39, 71151), (111, 24999), (117, 23717), (333, 8333), (481, 5769), (641, 4329), (1443, 1923)]