2621391

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:502

約数の個数: 16

約数和(自身を含む): 3667968

約数和(自身を除く): 1046577

約数列:

[1, 3, 31, 71, 93, 213, 397, 1191, 2201, 6603, 12307, 28187, 36921, 84561, 873797, 2621391]

約数ペア:

[(1, 2621391), (3, 873797), (31, 84561), (71, 36921), (93, 28187), (213, 12307), (397, 6603), (1191, 2201)]