720646971

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{941}}^1\times {\mathrm{1009}}^1$

素因数の和:1987

約数の個数: 32

約数和(自身を含む): 1096035840

約数和(自身を除く): 375388869

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 941, 1009, 2823, 3027, 10351, 11099, 21643, 23207, 31053, 33297, 64929, 69621, 238073, 255277, 714219, 765831, 949469, 2848407, 10444159, 21837787, 31332477, 65513361, 240215657, 720646971]

約数ペア:

[(1, 720646971), (3, 240215657), (11, 65513361), (23, 31332477), (33, 21837787), (69, 10444159), (253, 2848407), (759, 949469), (941, 765831), (1009, 714219), (2823, 255277), (3027, 238073), (10351, 69621), (11099, 64929), (21643, 33297), (23207, 31053)]