247989357

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{39761}}^1$

素因数の和:39791

約数の個数: 40

約数和(自身を含む): 461875392

約数和(自身を除く): 213886035

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 6237, 39761, 119283, 278327, 357849, 437371, 834981, 1073547, 1312113, 2504943, 3061597, 3220641, 3936339, 7514829, 9184791, 11809017, 22544487, 27554373, 35427051, 82663119, 247989357]

約数ペア:

[(1, 247989357), (3, 82663119), (7, 35427051), (9, 27554373), (11, 22544487), (21, 11809017), (27, 9184791), (33, 7514829), (63, 3936339), (77, 3220641), (81, 3061597), (99, 2504943), (189, 1312113), (231, 1073547), (297, 834981), (567, 437371), (693, 357849), (891, 278327), (2079, 119283), (6237, 39761)]