647367021

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{14057}}^1$

素因数の和:14130

約数の個数: 48

約数和(自身を含む): 1157929344

約数和(自身を除く): 510562323

約数列:

[1, 3, 7, 9, 17, 21, 43, 51, 63, 119, 129, 153, 301, 357, 387, 731, 903, 1071, 2193, 2709, 5117, 6579, 14057, 15351, 42171, 46053, 98399, 126513, 238969, 295197, 604451, 716907, 885591, 1672783, 1813353, 2150721, 4231157, 5018349, 5440059, 10275667, 12693471, 15055047, 30827001, 38080413, 71929669, 92481003, 215789007, 647367021]

約数ペア:

[(1, 647367021), (3, 215789007), (7, 92481003), (9, 71929669), (17, 38080413), (21, 30827001), (43, 15055047), (51, 12693471), (63, 10275667), (119, 5440059), (129, 5018349), (153, 4231157), (301, 2150721), (357, 1813353), (387, 1672783), (731, 885591), (903, 716907), (1071, 604451), (2193, 295197), (2709, 238969), (5117, 126513), (6579, 98399), (14057, 46053), (15351, 42171)]