245845245

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{967}}^1\times {\mathrm{997}}^1$

素因数の和:1989

約数の個数: 32

約数和(自身を含む): 417339648

約数和(自身を除く): 171494403

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 967, 997, 2901, 2991, 4835, 4985, 14505, 14955, 16439, 16949, 49317, 50847, 82195, 84745, 246585, 254235, 964099, 2892297, 4820495, 14461485, 16389683, 49169049, 81948415, 245845245]

約数ペア:

[(1, 245845245), (3, 81948415), (5, 49169049), (15, 16389683), (17, 14461485), (51, 4820495), (85, 2892297), (255, 964099), (967, 254235), (997, 246585), (2901, 84745), (2991, 82195), (4835, 50847), (4985, 49317), (14505, 16949), (14955, 16439)]