31494339

素因数分解:

$3^4\times {\mathrm{503}}^1\times {\mathrm{773}}^1$

素因数の和:1288

約数の個数: 20

約数和(自身を含む): 47201616

約数和(自身を除く): 15707277

約数列:

[1, 3, 9, 27, 81, 503, 773, 1509, 2319, 4527, 6957, 13581, 20871, 40743, 62613, 388819, 1166457, 3499371, 10498113, 31494339]

約数ペア:

[(1, 31494339), (3, 10498113), (9, 3499371), (27, 1166457), (81, 388819), (503, 62613), (773, 40743), (1509, 20871), (2319, 13581), (4527, 6957)]