6531021

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1249}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 10920000

約数和(自身を除く): 4388979

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1249, 1743, 3747, 5229, 8743, 11241, 26229, 78687, 103667, 311001, 725669, 933003, 2177007, 6531021]

約数ペア:

[(1, 6531021), (3, 2177007), (7, 933003), (9, 725669), (21, 311001), (63, 103667), (83, 78687), (249, 26229), (581, 11241), (747, 8743), (1249, 5229), (1743, 3747)]