28204683

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2239}}^1$

素因数の和:2291

約数の個数: 32

約数和(自身を含む): 45158400

約数和(自身を除く): 16953717

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 2239, 4199, 6717, 12597, 29107, 38063, 42541, 87321, 114189, 127623, 494819, 553033, 723197, 1484457, 1659099, 2169591, 9401561, 28204683]

約数ペア:

[(1, 28204683), (3, 9401561), (13, 2169591), (17, 1659099), (19, 1484457), (39, 723197), (51, 553033), (57, 494819), (221, 127623), (247, 114189), (323, 87321), (663, 42541), (741, 38063), (969, 29107), (2239, 12597), (4199, 6717)]