51261915

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 83865600

約数和(自身を除く): 32603685

約数列:

[1, 3, 5, 15, 79, 181, 237, 239, 395, 543, 717, 905, 1185, 1195, 2715, 3585, 14299, 18881, 42897, 43259, 56643, 71495, 94405, 129777, 214485, 216295, 283215, 648885, 3417461, 10252383, 17087305, 51261915]

約数ペア:

[(1, 51261915), (3, 17087305), (5, 10252383), (15, 3417461), (79, 648885), (181, 283215), (237, 216295), (239, 214485), (395, 129777), (543, 94405), (717, 71495), (905, 56643), (1185, 43259), (1195, 42897), (2715, 18881), (3585, 14299)]