1965789

素因数分解:

$3^4\times 7^1\times {\mathrm{3467}}^1$

素因数の和:3486

約数の個数: 20

約数和(自身を含む): 3357024

約数和(自身を除く): 1391235

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3467, 10401, 24269, 31203, 72807, 93609, 218421, 280827, 655263, 1965789]

約数ペア:

[(1, 1965789), (3, 655263), (7, 280827), (9, 218421), (21, 93609), (27, 72807), (63, 31203), (81, 24269), (189, 10401), (567, 3467)]