13221987

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{5179}}^1$

素因数の和:5242

約数の個数: 16

約数和(自身を含む): 18896640

約数和(自身を除く): 5674653

約数列:

[1, 3, 23, 37, 69, 111, 851, 2553, 5179, 15537, 119117, 191623, 357351, 574869, 4407329, 13221987]

約数ペア:

[(1, 13221987), (3, 4407329), (23, 574869), (37, 357351), (69, 191623), (111, 119117), (851, 15537), (2553, 5179)]