206565405

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{3187}}^1$

素因数の和:3373

約数の個数: 32

約数和(自身を含む): 344304000

約数和(自身を除く): 137738595

約数列:

[1, 3, 5, 15, 29, 87, 145, 149, 435, 447, 745, 2235, 3187, 4321, 9561, 12963, 15935, 21605, 47805, 64815, 92423, 277269, 462115, 474863, 1386345, 1424589, 2374315, 7122945, 13771027, 41313081, 68855135, 206565405]

約数ペア:

[(1, 206565405), (3, 68855135), (5, 41313081), (15, 13771027), (29, 7122945), (87, 2374315), (145, 1424589), (149, 1386345), (435, 474863), (447, 462115), (745, 277269), (2235, 92423), (3187, 64815), (4321, 47805), (9561, 21605), (12963, 15935)]