208959993

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{8087}}^1$

素因数の和:8139

約数の個数: 40

約数和(自身を含む): 352313280

約数和(自身を除く): 143353287

約数列:

[1, 3, 9, 11, 27, 29, 33, 81, 87, 99, 261, 297, 319, 783, 891, 957, 2349, 2871, 8087, 8613, 24261, 25839, 72783, 88957, 218349, 234523, 266871, 655047, 703569, 800613, 2110707, 2401839, 2579753, 6332121, 7205517, 7739259, 18996363, 23217777, 69653331, 208959993]

約数ペア:

[(1, 208959993), (3, 69653331), (9, 23217777), (11, 18996363), (27, 7739259), (29, 7205517), (33, 6332121), (81, 2579753), (87, 2401839), (99, 2110707), (261, 800613), (297, 703569), (319, 655047), (783, 266871), (891, 234523), (957, 218349), (2349, 88957), (2871, 72783), (8087, 25839), (8613, 24261)]