1980279

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2$

素因数の和:116

約数の個数: 36

約数和(自身を含む): 3543696

約数和(自身を除く): 1563417

約数列:

[1, 3, 7, 9, 17, 21, 43, 51, 63, 119, 129, 153, 301, 357, 387, 731, 903, 1071, 1849, 2193, 2709, 5117, 5547, 6579, 12943, 15351, 16641, 31433, 38829, 46053, 94299, 116487, 220031, 282897, 660093, 1980279]

約数ペア:

[(1, 1980279), (3, 660093), (7, 282897), (9, 220031), (17, 116487), (21, 94299), (43, 46053), (51, 38829), (63, 31433), (119, 16641), (129, 15351), (153, 12943), (301, 6579), (357, 5547), (387, 5117), (731, 2709), (903, 2193), (1071, 1849)]