206515845

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{80513}}^1$

素因数の和:80546

約数の個数: 32

約数和(自身を含む): 386467200

約数和(自身を除く): 179951355

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 80513, 241539, 402565, 724617, 1207695, 1529747, 2173851, 3623085, 4589241, 7648735, 10869255, 13767723, 22946205, 41303169, 68838615, 206515845]

約数ペア:

[(1, 206515845), (3, 68838615), (5, 41303169), (9, 22946205), (15, 13767723), (19, 10869255), (27, 7648735), (45, 4589241), (57, 3623085), (95, 2173851), (135, 1529747), (171, 1207695), (285, 724617), (513, 402565), (855, 241539), (2565, 80513)]