1261701

素因数分解:

$3^2\times 7^2\times {\mathrm{2861}}^1$

素因数の和:2881

約数の個数: 18

約数和(自身を含む): 2120742

約数和(自身を除く): 859041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 2861, 8583, 20027, 25749, 60081, 140189, 180243, 420567, 1261701]

約数ペア:

[(1, 1261701), (3, 420567), (7, 180243), (9, 140189), (21, 60081), (49, 25749), (63, 20027), (147, 8583), (441, 2861)]