31458427

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2857}}^1$

素因数の和:2899

約数の個数: 24

約数和(自身を含む): 42572768

約数和(自身を除く): 11114341

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 847, 1001, 1573, 2857, 11011, 19999, 31427, 37141, 219989, 259987, 345697, 408551, 2419879, 2859857, 4494061, 31458427]

約数ペア:

[(1, 31458427), (7, 4494061), (11, 2859857), (13, 2419879), (77, 408551), (91, 345697), (121, 259987), (143, 219989), (847, 37141), (1001, 31427), (1573, 19999), (2857, 11011)]