81815697

素因数分解:

$3^3\times {\mathrm{1373}}^1\times {\mathrm{2207}}^1$

素因数の和:3589

約数の個数: 16

約数和(自身を含む): 121351680

約数和(自身を除く): 39535983

約数列:

[1, 3, 9, 27, 1373, 2207, 4119, 6621, 12357, 19863, 37071, 59589, 3030211, 9090633, 27271899, 81815697]

約数ペア:

[(1, 81815697), (3, 27271899), (9, 9090633), (27, 3030211), (1373, 59589), (2207, 37071), (4119, 19863), (6621, 12357)]