1297287

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 2031120

約数和(自身を除く): 733833

約数列:

[1, 3, 9, 17, 51, 61, 139, 153, 183, 417, 549, 1037, 1251, 2363, 3111, 7089, 8479, 9333, 21267, 25437, 76311, 144143, 432429, 1297287]

約数ペア:

[(1, 1297287), (3, 432429), (9, 144143), (17, 76311), (51, 25437), (61, 21267), (139, 9333), (153, 8479), (183, 7089), (417, 3111), (549, 2363), (1037, 1251)]