168996969

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{443}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 255744000

約数和(自身を除く): 86747031

約数列:

[1, 3, 9, 27, 71, 199, 213, 443, 597, 639, 1329, 1791, 1917, 3987, 5373, 11961, 14129, 31453, 42387, 88157, 94359, 127161, 264471, 283077, 381483, 793413, 849231, 2380239, 6259147, 18777441, 56332323, 168996969]

約数ペア:

[(1, 168996969), (3, 56332323), (9, 18777441), (27, 6259147), (71, 2380239), (199, 849231), (213, 793413), (443, 381483), (597, 283077), (639, 264471), (1329, 127161), (1791, 94359), (1917, 88157), (3987, 42387), (5373, 31453), (11961, 14129)]