2078454915

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{42727}}^1$

素因数の和:42808

約数の個数: 48

約数和(自身を含む): 3839367168

約数和(自身を除く): 1760912253

約数列:

[1, 3, 5, 9, 15, 23, 45, 47, 69, 115, 141, 207, 235, 345, 423, 705, 1035, 1081, 2115, 3243, 5405, 9729, 16215, 42727, 48645, 128181, 213635, 384543, 640905, 982721, 1922715, 2008169, 2948163, 4913605, 6024507, 8844489, 10040845, 14740815, 18073521, 30122535, 44222445, 46187887, 90367605, 138563661, 230939435, 415690983, 692818305, 2078454915]

約数ペア:

[(1, 2078454915), (3, 692818305), (5, 415690983), (9, 230939435), (15, 138563661), (23, 90367605), (45, 46187887), (47, 44222445), (69, 30122535), (115, 18073521), (141, 14740815), (207, 10040845), (235, 8844489), (345, 6024507), (423, 4913605), (705, 2948163), (1035, 2008169), (1081, 1922715), (2115, 982721), (3243, 640905), (5405, 384543), (9729, 213635), (16215, 128181), (42727, 48645)]