221281027

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{709}}^1\times {\mathrm{1669}}^1$

素因数の和:2406

約数の個数: 16

約数和(自身を含む): 256111200

約数和(自身を除く): 34830173

約数列:

[1, 11, 17, 187, 709, 1669, 7799, 12053, 18359, 28373, 132583, 312103, 1183321, 13016531, 20116457, 221281027]

約数ペア:

[(1, 221281027), (11, 20116457), (17, 13016531), (187, 1183321), (709, 312103), (1669, 132583), (7799, 28373), (12053, 18359)]