191001321

素因数分解:

$3^4\times 7^1\times {\mathrm{336863}}^1$

素因数の和:336882

約数の個数: 20

約数和(自身を含む): 326084352

約数和(自身を除く): 135083031

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 336863, 1010589, 2358041, 3031767, 7074123, 9095301, 21222369, 27285903, 63667107, 191001321]

約数ペア:

[(1, 191001321), (3, 63667107), (7, 27285903), (9, 21222369), (21, 9095301), (27, 7074123), (63, 3031767), (81, 2358041), (189, 1010589), (567, 336863)]