16997337

素因数分解:

$3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 12033063

約数列:

[1, 3, 7, 9, 21, 27, 63, 139, 189, 417, 647, 973, 1251, 1941, 2919, 3753, 4529, 5823, 8757, 13587, 17469, 26271, 40761, 89933, 122283, 269799, 629531, 809397, 1888593, 2428191, 5665779, 16997337]

約数ペア:

[(1, 16997337), (3, 5665779), (7, 2428191), (9, 1888593), (21, 809397), (27, 629531), (63, 269799), (139, 122283), (189, 89933), (417, 40761), (647, 26271), (973, 17469), (1251, 13587), (1941, 8757), (2919, 5823), (3753, 4529)]