51139515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1721}}^1$

素因数の和:2019

約数の個数: 32

約数和(自身を含む): 93897216

約数和(自身を除く): 42757701

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 283, 849, 1415, 1721, 1981, 4245, 5163, 5943, 8605, 9905, 12047, 25815, 29715, 36141, 60235, 180705, 487043, 1461129, 2435215, 3409301, 7305645, 10227903, 17046505, 51139515]

約数ペア:

[(1, 51139515), (3, 17046505), (5, 10227903), (7, 7305645), (15, 3409301), (21, 2435215), (35, 1461129), (105, 487043), (283, 180705), (849, 60235), (1415, 36141), (1721, 29715), (1981, 25815), (4245, 12047), (5163, 9905), (5943, 8605)]