1915798017

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{12451}}^1$

素因数の和:12909

約数の個数: 32

約数和(自身を含む): 3098456064

約数和(自身を除く): 1182658047

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 431, 1293, 3017, 7327, 9051, 12451, 21981, 37353, 51289, 87157, 153867, 211667, 261471, 635001, 1481669, 4445007, 5366381, 16099143, 37564667, 91228477, 112694001, 273685431, 638599339, 1915798017]

約数ペア:

[(1, 1915798017), (3, 638599339), (7, 273685431), (17, 112694001), (21, 91228477), (51, 37564667), (119, 16099143), (357, 5366381), (431, 4445007), (1293, 1481669), (3017, 635001), (7327, 261471), (9051, 211667), (12451, 153867), (21981, 87157), (37353, 51289)]