51749655

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2459}}^1$

素因数の和:2551

約数の個数: 32

約数和(自身を含む): 87851520

約数和(自身を除く): 36101865

約数列:

[1, 3, 5, 15, 23, 61, 69, 115, 183, 305, 345, 915, 1403, 2459, 4209, 7015, 7377, 12295, 21045, 36885, 56557, 149999, 169671, 282785, 449997, 749995, 848355, 2249985, 3449977, 10349931, 17249885, 51749655]

約数ペア:

[(1, 51749655), (3, 17249885), (5, 10349931), (15, 3449977), (23, 2249985), (61, 848355), (69, 749995), (115, 449997), (183, 282785), (305, 169671), (345, 149999), (915, 56557), (1403, 36885), (2459, 21045), (4209, 12295), (7015, 7377)]