15487281

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{727}}^1$

素因数の和:1002

約数の個数: 20

約数和(自身を含む): 23255232

約数和(自身を除く): 7767951

約数列:

[1, 3, 9, 27, 81, 263, 727, 789, 2181, 2367, 6543, 7101, 19629, 21303, 58887, 191201, 573603, 1720809, 5162427, 15487281]

約数ペア:

[(1, 15487281), (3, 5162427), (9, 1720809), (27, 573603), (81, 191201), (263, 58887), (727, 21303), (789, 19629), (2181, 7101), (2367, 6543)]