247986639

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{3719}}^1$

素因数の和:3995

約数の個数: 24

約数和(自身を含む): 371404800

約数和(自身を除く): 123418161

約数列:

[1, 3, 9, 31, 93, 239, 279, 717, 2151, 3719, 7409, 11157, 22227, 33471, 66681, 115289, 345867, 888841, 1037601, 2666523, 7999569, 27554071, 82662213, 247986639]

約数ペア:

[(1, 247986639), (3, 82662213), (9, 27554071), (31, 7999569), (93, 2666523), (239, 1037601), (279, 888841), (717, 345867), (2151, 115289), (3719, 66681), (7409, 33471), (11157, 22227)]