7223385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2179}}^1$

素因数の和:2217

約数の個数: 32

約数和(自身を含む): 13184640

約数和(自身を除く): 5961255

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 2179, 3315, 6537, 10895, 28327, 32685, 37043, 84981, 111129, 141635, 185215, 424905, 481559, 555645, 1444677, 2407795, 7223385]

約数ペア:

[(1, 7223385), (3, 2407795), (5, 1444677), (13, 555645), (15, 481559), (17, 424905), (39, 185215), (51, 141635), (65, 111129), (85, 84981), (195, 37043), (221, 32685), (255, 28327), (663, 10895), (1105, 6537), (2179, 3315)]