31816449

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2371}}^1$

素因数の和:2458

約数の個数: 32

約数和(自身を含む): 54650880

約数和(自身を除く): 22834431

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 2371, 4473, 7113, 13419, 16597, 21339, 49791, 64017, 149373, 168341, 448119, 505023, 1178387, 1515069, 3535161, 4545207, 10605483, 31816449]

約数ペア:

[(1, 31816449), (3, 10605483), (7, 4545207), (9, 3535161), (21, 1515069), (27, 1178387), (63, 505023), (71, 448119), (189, 168341), (213, 149373), (497, 64017), (639, 49791), (1491, 21339), (1917, 16597), (2371, 13419), (4473, 7113)]