12438405

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{5641}}^1$

素因数の和:5666

約数の個数: 36

約数和(自身を含む): 25084332

約数和(自身を除く): 12645927

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 5641, 16923, 28205, 39487, 50769, 84615, 118461, 197435, 253845, 276409, 355383, 592305, 829227, 1382045, 1776915, 2487681, 4146135, 12438405]

約数ペア:

[(1, 12438405), (3, 4146135), (5, 2487681), (7, 1776915), (9, 1382045), (15, 829227), (21, 592305), (35, 355383), (45, 276409), (49, 253845), (63, 197435), (105, 118461), (147, 84615), (245, 50769), (315, 39487), (441, 28205), (735, 16923), (2205, 5641)]