2209165

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 3151872

約数和(自身を除く): 942707

約数列:

[1, 5, 7, 35, 49, 71, 127, 245, 355, 497, 635, 889, 2485, 3479, 4445, 6223, 9017, 17395, 31115, 45085, 63119, 315595, 441833, 2209165]

約数ペア:

[(1, 2209165), (5, 441833), (7, 315595), (35, 63119), (49, 45085), (71, 31115), (127, 17395), (245, 9017), (355, 6223), (497, 4445), (635, 3479), (889, 2485)]