209515533

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{42767}}^1$

素因数の和:42864

約数の個数: 16

約数和(自身を含む): 295612416

約数和(自身を除く): 86096883

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4899, 42767, 128301, 983641, 2950923, 3036457, 9109371, 69838511, 209515533]

約数ペア:

[(1, 209515533), (3, 69838511), (23, 9109371), (69, 3036457), (71, 2950923), (213, 983641), (1633, 128301), (4899, 42767)]