72478989

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{881}}^1$

素因数の和:1178

約数の個数: 32

約数和(自身を含む): 117694080

約数和(自身を除く): 45215091

約数列:

[1, 3, 9, 11, 27, 33, 99, 277, 297, 831, 881, 2493, 2643, 3047, 7479, 7929, 9141, 9691, 23787, 27423, 29073, 82269, 87219, 244037, 261657, 732111, 2196333, 2684407, 6588999, 8053221, 24159663, 72478989]

約数ペア:

[(1, 72478989), (3, 24159663), (9, 8053221), (11, 6588999), (27, 2684407), (33, 2196333), (99, 732111), (277, 261657), (297, 244037), (831, 87219), (881, 82269), (2493, 29073), (2643, 27423), (3047, 23787), (7479, 9691), (7929, 9141)]