268212789

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{254713}}^1$

素因数の和:254738

約数の個数: 20

約数和(自身を含む): 431485516

約数和(自身を除く): 163272727

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 254713, 764139, 2292417, 3311269, 6877251, 9933807, 20631753, 29801421, 89404263, 268212789]

約数ペア:

[(1, 268212789), (3, 89404263), (9, 29801421), (13, 20631753), (27, 9933807), (39, 6877251), (81, 3311269), (117, 2292417), (351, 764139), (1053, 254713)]