51363249

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 81371136

約数和(自身を除く): 30007887

約数列:

[1, 3, 7, 21, 31, 93, 217, 257, 307, 651, 771, 921, 1799, 2149, 5397, 6447, 7967, 9517, 23901, 28551, 55769, 66619, 78899, 167307, 199857, 236697, 552293, 1656879, 2445869, 7337607, 17121083, 51363249]

約数ペア:

[(1, 51363249), (3, 17121083), (7, 7337607), (21, 2445869), (31, 1656879), (93, 552293), (217, 236697), (257, 199857), (307, 167307), (651, 78899), (771, 66619), (921, 55769), (1799, 28551), (2149, 23901), (5397, 9517), (6447, 7967)]