213978039

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{281921}}^1$

素因数の和:281958

約数の個数: 16

約数和(自身を含む): 324774144

約数和(自身を除く): 110796105

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 281921, 845763, 3101131, 6484183, 9303393, 19452549, 71326013, 213978039]

約数ペア:

[(1, 213978039), (3, 71326013), (11, 19452549), (23, 9303393), (33, 6484183), (69, 3101131), (253, 845763), (759, 281921)]