255280257

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{48157}}^1$

素因数の和:48213

約数の個数: 24

約数和(自身を含む): 400674560

約数和(自身を除く): 145394303

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 5301, 48157, 144471, 433413, 914983, 1492867, 2744949, 4478601, 8234847, 13435803, 28364473, 85093419, 255280257]

約数ペア:

[(1, 255280257), (3, 85093419), (9, 28364473), (19, 13435803), (31, 8234847), (57, 4478601), (93, 2744949), (171, 1492867), (279, 914983), (589, 433413), (1767, 144471), (5301, 48157)]