39817449

素因数分解:

$3^2\times 7^2\times {\mathrm{90289}}^1$

素因数の和:90309

約数の個数: 18

約数和(自身を含む): 66904890

約数和(自身を除く): 27087441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 90289, 270867, 632023, 812601, 1896069, 4424161, 5688207, 13272483, 39817449]

約数ペア:

[(1, 39817449), (3, 13272483), (7, 5688207), (9, 4424161), (21, 1896069), (49, 812601), (63, 632023), (147, 270867), (441, 90289)]