2019972087

素因数分解:

$3^4\times 7^1\times {\mathrm{3562561}}^1$

素因数の和:3562580

約数の個数: 20

約数和(自身を含む): 3448560016

約数和(自身を除く): 1428587929

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3562561, 10687683, 24937927, 32063049, 74813781, 96189147, 224441343, 288567441, 673324029, 2019972087]

約数ペア:

[(1, 2019972087), (3, 673324029), (7, 288567441), (9, 224441343), (21, 96189147), (27, 74813781), (63, 32063049), (81, 24937927), (189, 10687683), (567, 3562561)]