15722019

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{2897}}^1$

素因数の和:2976

約数の個数: 20

約数和(自身を含む): 23844744

約数和(自身を除く): 8122725

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 2897, 5427, 8691, 26073, 78219, 194099, 234657, 582297, 1746891, 5240673, 15722019]

約数ペア:

[(1, 15722019), (3, 5240673), (9, 1746891), (27, 582297), (67, 234657), (81, 194099), (201, 78219), (603, 26073), (1809, 8691), (2897, 5427)]