25666245

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2729}}^1$

素因数の和:2770

約数の個数: 48

約数和(自身を含む): 51105600

約数和(自身を除く): 25439355

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 285, 495, 627, 855, 1045, 1881, 2729, 3135, 8187, 9405, 13645, 24561, 30019, 40935, 51851, 90057, 122805, 150095, 155553, 259255, 270171, 450285, 466659, 570361, 777765, 1350855, 1711083, 2333295, 2851805, 5133249, 8555415, 25666245]

約数ペア:

[(1, 25666245), (3, 8555415), (5, 5133249), (9, 2851805), (11, 2333295), (15, 1711083), (19, 1350855), (33, 777765), (45, 570361), (55, 466659), (57, 450285), (95, 270171), (99, 259255), (165, 155553), (171, 150095), (209, 122805), (285, 90057), (495, 51851), (627, 40935), (855, 30019), (1045, 24561), (1881, 13645), (2729, 9405), (3135, 8187)]