15497973

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{2621}}^1$

素因数の和:2706

約数の個数: 20

約数和(自身を含む): 23477388

約数和(自身を除く): 7979415

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 2621, 5913, 7863, 23589, 70767, 191333, 212301, 573999, 1721997, 5165991, 15497973]

約数ペア:

[(1, 15497973), (3, 5165991), (9, 1721997), (27, 573999), (73, 212301), (81, 191333), (219, 70767), (657, 23589), (1971, 7863), (2621, 5913)]