206830455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{14939}}^1$

素因数の和:15031

約数の個数: 32

約数和(自身を含む): 361428480

約数和(自身を除く): 154598025

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 195, 213, 355, 923, 1065, 2769, 4615, 13845, 14939, 44817, 74695, 194207, 224085, 582621, 971035, 1060669, 2913105, 3182007, 5303345, 13788697, 15910035, 41366091, 68943485, 206830455]

約数ペア:

[(1, 206830455), (3, 68943485), (5, 41366091), (13, 15910035), (15, 13788697), (39, 5303345), (65, 3182007), (71, 2913105), (195, 1060669), (213, 971035), (355, 582621), (923, 224085), (1065, 194207), (2769, 74695), (4615, 44817), (13845, 14939)]