13487721

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{719}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 20027520

約数和(自身を除く): 6539799

約数列:

[1, 3, 13, 37, 39, 111, 169, 481, 507, 719, 1443, 2157, 6253, 9347, 18759, 26603, 28041, 79809, 121511, 345839, 364533, 1037517, 4495907, 13487721]

約数ペア:

[(1, 13487721), (3, 4495907), (13, 1037517), (37, 364533), (39, 345839), (111, 121511), (169, 79809), (481, 28041), (507, 26603), (719, 18759), (1443, 9347), (2157, 6253)]