28509039

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1753}}^1$

素因数の和:1911

約数の個数: 24

約数和(自身を含む): 44691920

約数和(自身を除く): 16182881

約数列:

[1, 3, 9, 13, 39, 117, 139, 417, 1251, 1753, 1807, 5259, 5421, 15777, 16263, 22789, 68367, 205101, 243667, 731001, 2193003, 3167671, 9503013, 28509039]

約数ペア:

[(1, 28509039), (3, 9503013), (9, 3167671), (13, 2193003), (39, 731001), (117, 243667), (139, 205101), (417, 68367), (1251, 22789), (1753, 16263), (1807, 15777), (5259, 5421)]