13213215

素因数分解:

$3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{613}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 22988160

約数和(自身を除く): 9774945

約数列:

[1, 3, 5, 9, 15, 45, 479, 613, 1437, 1839, 2395, 3065, 4311, 5517, 7185, 9195, 21555, 27585, 293627, 880881, 1468135, 2642643, 4404405, 13213215]

約数ペア:

[(1, 13213215), (3, 4404405), (5, 2642643), (9, 1468135), (15, 880881), (45, 293627), (479, 27585), (613, 21555), (1437, 9195), (1839, 7185), (2395, 5517), (3065, 4311)]