1080639

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1009}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 1890720

約数和(自身を除く): 810081

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1009, 1071, 3027, 7063, 9081, 17153, 21189, 51459, 63567, 120071, 154377, 360213, 1080639]

約数ペア:

[(1, 1080639), (3, 360213), (7, 154377), (9, 120071), (17, 63567), (21, 51459), (51, 21189), (63, 17153), (119, 9081), (153, 7063), (357, 3027), (1009, 1071)]