7421687

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 9499392

約数和(自身を除く): 2077705

約数列:

[1, 7, 13, 49, 61, 91, 191, 427, 637, 793, 1337, 2483, 2989, 5551, 9359, 11651, 17381, 38857, 81557, 121667, 151463, 570899, 1060241, 7421687]

約数ペア:

[(1, 7421687), (7, 1060241), (13, 570899), (49, 151463), (61, 121667), (91, 81557), (191, 38857), (427, 17381), (637, 11651), (793, 9359), (1337, 5551), (2483, 2989)]