2571921

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 4114656

約数和(自身を除く): 1542735

約数列:

[1, 3, 9, 11, 33, 83, 99, 249, 313, 747, 913, 939, 2739, 2817, 3443, 8217, 10329, 25979, 30987, 77937, 233811, 285769, 857307, 2571921]

約数ペア:

[(1, 2571921), (3, 857307), (9, 285769), (11, 233811), (33, 77937), (83, 30987), (99, 25979), (249, 10329), (313, 8217), (747, 3443), (913, 2817), (939, 2739)]