208337205

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{2503}}^1$

素因数の和:2721

約数の個数: 32

約数和(自身を含む): 346152960

約数和(自身を除く): 137815755

約数列:

[1, 3, 5, 15, 31, 93, 155, 179, 465, 537, 895, 2503, 2685, 5549, 7509, 12515, 16647, 27745, 37545, 77593, 83235, 232779, 387965, 448037, 1163895, 1344111, 2240185, 6720555, 13889147, 41667441, 69445735, 208337205]

約数ペア:

[(1, 208337205), (3, 69445735), (5, 41667441), (15, 13889147), (31, 6720555), (93, 2240185), (155, 1344111), (179, 1163895), (465, 448037), (537, 387965), (895, 232779), (2503, 83235), (2685, 77593), (5549, 37545), (7509, 27745), (12515, 16647)]