128214639

素因数分解:

$3^2\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{2017}}^1$

素因数の和:3039

約数の個数: 24

約数和(自身を含む): 211970720

約数和(自身を除く): 83756081

約数列:

[1, 3, 7, 9, 21, 63, 1009, 2017, 3027, 6051, 7063, 9081, 14119, 18153, 21189, 42357, 63567, 127071, 2035153, 6105459, 14246071, 18316377, 42738213, 128214639]

約数ペア:

[(1, 128214639), (3, 42738213), (7, 18316377), (9, 14246071), (21, 6105459), (63, 2035153), (1009, 127071), (2017, 63567), (3027, 42357), (6051, 21189), (7063, 18153), (9081, 14119)]