28382181

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 40599360

約数和(自身を除く): 12217179

約数列:

[1, 3, 19, 57, 73, 219, 359, 361, 1077, 1083, 1387, 4161, 6821, 20463, 26207, 26353, 78621, 79059, 129599, 388797, 497933, 1493799, 9460727, 28382181]

約数ペア:

[(1, 28382181), (3, 9460727), (19, 1493799), (57, 497933), (73, 388797), (219, 129599), (359, 79059), (361, 78621), (1077, 26353), (1083, 26207), (1387, 20463), (4161, 6821)]