56687571

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 91990080

約数和(自身を除く): 35302509

約数列:

[1, 3, 9, 17, 23, 51, 69, 89, 153, 181, 207, 267, 391, 543, 801, 1173, 1513, 1629, 2047, 3077, 3519, 4163, 4539, 6141, 9231, 12489, 13617, 16109, 18423, 27693, 34799, 37467, 48327, 70771, 104397, 144981, 212313, 273853, 313191, 370507, 636939, 821559, 1111521, 2464677, 3334563, 6298619, 18895857, 56687571]

約数ペア:

[(1, 56687571), (3, 18895857), (9, 6298619), (17, 3334563), (23, 2464677), (51, 1111521), (69, 821559), (89, 636939), (153, 370507), (181, 313191), (207, 273853), (267, 212313), (391, 144981), (543, 104397), (801, 70771), (1173, 48327), (1513, 37467), (1629, 34799), (2047, 27693), (3077, 18423), (3519, 16109), (4163, 13617), (4539, 12489), (6141, 9231)]