2108667

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 3194128

約数和(自身を除く): 1085461

約数列:

[1, 3, 11, 33, 37, 111, 121, 157, 363, 407, 471, 1221, 1727, 4477, 5181, 5809, 13431, 17427, 18997, 56991, 63899, 191697, 702889, 2108667]

約数ペア:

[(1, 2108667), (3, 702889), (11, 191697), (33, 63899), (37, 56991), (111, 18997), (121, 17427), (157, 13431), (363, 5809), (407, 5181), (471, 4477), (1221, 1727)]