31747869

素因数分解:

$3^4\times {\mathrm{167}}^1\times {\mathrm{2347}}^1$

素因数の和:2526

約数の個数: 20

約数和(自身を含む): 47730144

約数和(自身を除く): 15982275

約数列:

[1, 3, 9, 27, 81, 167, 501, 1503, 2347, 4509, 7041, 13527, 21123, 63369, 190107, 391949, 1175847, 3527541, 10582623, 31747869]

約数ペア:

[(1, 31747869), (3, 10582623), (9, 3527541), (27, 1175847), (81, 391949), (167, 190107), (501, 63369), (1503, 21123), (2347, 13527), (4509, 7041)]