28372755

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 46889280

約数和(自身を除く): 18516525

約数列:

[1, 3, 5, 15, 53, 89, 159, 265, 267, 401, 445, 795, 1203, 1335, 2005, 4717, 6015, 14151, 21253, 23585, 35689, 63759, 70755, 106265, 107067, 178445, 318795, 535335, 1891517, 5674551, 9457585, 28372755]

約数ペア:

[(1, 28372755), (3, 9457585), (5, 5674551), (15, 1891517), (53, 535335), (89, 318795), (159, 178445), (265, 107067), (267, 106265), (401, 70755), (445, 63759), (795, 35689), (1203, 23585), (1335, 21253), (2005, 14151), (4717, 6015)]