8217237

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 13178880

約数和(自身を除く): 4961643

約数列:

[1, 3, 7, 21, 29, 87, 103, 131, 203, 309, 393, 609, 721, 917, 2163, 2751, 2987, 3799, 8961, 11397, 13493, 20909, 26593, 40479, 62727, 79779, 94451, 283353, 391297, 1173891, 2739079, 8217237]

約数ペア:

[(1, 8217237), (3, 2739079), (7, 1173891), (21, 391297), (29, 283353), (87, 94451), (103, 79779), (131, 62727), (203, 40479), (309, 26593), (393, 20909), (609, 13493), (721, 11397), (917, 8961), (2163, 3799), (2751, 2987)]