19875321

素因数分解:

$3^3\times {\mathrm{223}}^1\times {\mathrm{3301}}^1$

素因数の和:3533

約数の個数: 16

約数和(自身を含む): 29585920

約数和(自身を除く): 9710599

約数列:

[1, 3, 9, 27, 223, 669, 2007, 3301, 6021, 9903, 29709, 89127, 736123, 2208369, 6625107, 19875321]

約数ペア:

[(1, 19875321), (3, 6625107), (9, 2208369), (27, 736123), (223, 89127), (669, 29709), (2007, 9903), (3301, 6021)]