28974411

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 18199989

約数列:

[1, 3, 9, 19, 23, 53, 57, 69, 139, 159, 171, 207, 417, 437, 477, 1007, 1219, 1251, 1311, 2641, 3021, 3197, 3657, 3933, 7367, 7923, 9063, 9591, 10971, 22101, 23161, 23769, 28773, 60743, 66303, 69483, 139973, 169441, 182229, 208449, 419919, 508323, 546687, 1259757, 1524969, 3219379, 9658137, 28974411]

約数ペア:

[(1, 28974411), (3, 9658137), (9, 3219379), (19, 1524969), (23, 1259757), (53, 546687), (57, 508323), (69, 419919), (139, 208449), (159, 182229), (171, 169441), (207, 139973), (417, 69483), (437, 66303), (477, 60743), (1007, 28773), (1219, 23769), (1251, 23161), (1311, 22101), (2641, 10971), (3021, 9591), (3197, 9063), (3657, 7923), (3933, 7367)]