7211205

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{839}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 12579840

約数和(自身を除く): 5368635

約数列:

[1, 3, 5, 9, 15, 45, 191, 573, 839, 955, 1719, 2517, 2865, 4195, 7551, 8595, 12585, 37755, 160249, 480747, 801245, 1442241, 2403735, 7211205]

約数ペア:

[(1, 7211205), (3, 2403735), (5, 1442241), (9, 801245), (15, 480747), (45, 160249), (191, 37755), (573, 12585), (839, 8595), (955, 7551), (1719, 4195), (2517, 2865)]