81435267

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{33889}}^1$

素因数の和:33987

約数の個数: 16

約数和(自身を含む): 122004000

約数和(自身を除く): 40568733

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 33889, 101667, 305001, 915003, 3016121, 9048363, 27145089, 81435267]

約数ペア:

[(1, 81435267), (3, 27145089), (9, 9048363), (27, 3016121), (89, 915003), (267, 305001), (801, 101667), (2403, 33889)]