15970527

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{2777}}^1$

素因数の和:2860

約数の個数: 20

約数和(自身を含む): 24201936

約数和(自身を除く): 8231409

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 2777, 5751, 8331, 24993, 74979, 197167, 224937, 591501, 1774503, 5323509, 15970527]

約数ペア:

[(1, 15970527), (3, 5323509), (9, 1774503), (27, 591501), (71, 224937), (81, 197167), (213, 74979), (639, 24993), (1917, 8331), (2777, 5751)]