13579389

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 20217600

約数和(自身を除く): 6638211

約数列:

[1, 3, 9, 71, 79, 213, 237, 269, 639, 711, 807, 2421, 5609, 16827, 19099, 21251, 50481, 57297, 63753, 171891, 191259, 1508821, 4526463, 13579389]

約数ペア:

[(1, 13579389), (3, 4526463), (9, 1508821), (71, 191259), (79, 171891), (213, 63753), (237, 57297), (269, 50481), (639, 21251), (711, 19099), (807, 16827), (2421, 5609)]