12915531

素因数分解:

$3^4\times {\mathrm{317}}^1\times {\mathrm{503}}^1$

素因数の和:832

約数の個数: 20

約数和(自身を含む): 19392912

約数和(自身を除く): 6477381

約数列:

[1, 3, 9, 27, 81, 317, 503, 951, 1509, 2853, 4527, 8559, 13581, 25677, 40743, 159451, 478353, 1435059, 4305177, 12915531]

約数ペア:

[(1, 12915531), (3, 4305177), (9, 1435059), (27, 478353), (81, 159451), (317, 40743), (503, 25677), (951, 13581), (1509, 8559), (2853, 4527)]