28561965

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{971}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 47869056

約数和(自身を除く): 19307091

約数列:

[1, 3, 5, 15, 37, 53, 111, 159, 185, 265, 555, 795, 971, 1961, 2913, 4855, 5883, 9805, 14565, 29415, 35927, 51463, 107781, 154389, 179635, 257315, 538905, 771945, 1904131, 5712393, 9520655, 28561965]

約数ペア:

[(1, 28561965), (3, 9520655), (5, 5712393), (15, 1904131), (37, 771945), (53, 538905), (111, 257315), (159, 179635), (185, 154389), (265, 107781), (555, 51463), (795, 35927), (971, 29415), (1961, 14565), (2913, 9805), (4855, 5883)]