427427

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:99

約数の個数: 24

約数和(自身を含む): 593712

約数和(自身を除く): 166285

約数列:

[1, 7, 11, 13, 49, 61, 77, 91, 143, 427, 539, 637, 671, 793, 1001, 2989, 4697, 5551, 7007, 8723, 32879, 38857, 61061, 427427]

約数ペア:

[(1, 427427), (7, 61061), (11, 38857), (13, 32879), (49, 8723), (61, 7007), (77, 5551), (91, 4697), (143, 2989), (427, 1001), (539, 793), (637, 671)]