28305621

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{971}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 42456960

約数和(自身を除く): 14151339

約数列:

[1, 3, 9, 41, 79, 123, 237, 369, 711, 971, 2913, 3239, 8739, 9717, 29151, 39811, 76709, 119433, 230127, 358299, 690381, 3145069, 9435207, 28305621]

約数ペア:

[(1, 28305621), (3, 9435207), (9, 3145069), (41, 690381), (79, 358299), (123, 230127), (237, 119433), (369, 76709), (711, 39811), (971, 29151), (2913, 9717), (3239, 8739)]