28021983

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 14314017

約数列:

[1, 3, 11, 33, 41, 123, 139, 149, 417, 447, 451, 1353, 1529, 1639, 4587, 4917, 5699, 6109, 17097, 18327, 20711, 62133, 62689, 67199, 188067, 201597, 227821, 683463, 849151, 2547453, 9340661, 28021983]

約数ペア:

[(1, 28021983), (3, 9340661), (11, 2547453), (33, 849151), (41, 683463), (123, 227821), (139, 201597), (149, 188067), (417, 67199), (447, 62689), (451, 62133), (1353, 20711), (1529, 18327), (1639, 17097), (4587, 6109), (4917, 5699)]