51999717

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{983}}^1$

素因数の和:1233

約数の個数: 32

約数和(自身を含む): 86906880

約数和(自身を除く): 34907163

約数列:

[1, 3, 7, 11, 21, 33, 77, 229, 231, 687, 983, 1603, 2519, 2949, 4809, 6881, 7557, 10813, 17633, 20643, 32439, 52899, 75691, 225107, 227073, 675321, 1575749, 2476177, 4727247, 7428531, 17333239, 51999717]

約数ペア:

[(1, 51999717), (3, 17333239), (7, 7428531), (11, 4727247), (21, 2476177), (33, 1575749), (77, 675321), (229, 227073), (231, 225107), (687, 75691), (983, 52899), (1603, 32439), (2519, 20643), (2949, 17633), (4809, 10813), (6881, 7557)]