51720315

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{971}}^1$

素因数の和:1099

約数の個数: 32

約数和(自身を含む): 85660416

約数和(自身を除く): 33940101

約数列:

[1, 3, 5, 15, 53, 67, 159, 201, 265, 335, 795, 971, 1005, 2913, 3551, 4855, 10653, 14565, 17755, 51463, 53265, 65057, 154389, 195171, 257315, 325285, 771945, 975855, 3448021, 10344063, 17240105, 51720315]

約数ペア:

[(1, 51720315), (3, 17240105), (5, 10344063), (15, 3448021), (53, 975855), (67, 771945), (159, 325285), (201, 257315), (265, 195171), (335, 154389), (795, 65057), (971, 53265), (1005, 51463), (2913, 17755), (3551, 14565), (4855, 10653)]