2697261

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 4392960

約数和(自身を除く): 1695699

約数列:

[1, 3, 7, 21, 29, 43, 87, 103, 129, 203, 301, 309, 609, 721, 903, 1247, 2163, 2987, 3741, 4429, 8729, 8961, 13287, 20909, 26187, 31003, 62727, 93009, 128441, 385323, 899087, 2697261]

約数ペア:

[(1, 2697261), (3, 899087), (7, 385323), (21, 128441), (29, 93009), (43, 62727), (87, 31003), (103, 26187), (129, 20909), (203, 13287), (301, 8961), (309, 8729), (609, 4429), (721, 3741), (903, 2987), (1247, 2163)]