15399261

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 24019200

約数和(自身を除く): 8619939

約数列:

[1, 3, 9, 27, 29, 71, 87, 213, 261, 277, 639, 783, 831, 1917, 2059, 2493, 6177, 7479, 8033, 18531, 19667, 24099, 55593, 59001, 72297, 177003, 216891, 531009, 570343, 1711029, 5133087, 15399261]

約数ペア:

[(1, 15399261), (3, 5133087), (9, 1711029), (27, 570343), (29, 531009), (71, 216891), (87, 177003), (213, 72297), (261, 59001), (277, 55593), (639, 24099), (783, 19667), (831, 18531), (1917, 8033), (2059, 7479), (2493, 6177)]