64912005

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{49741}}^1$

素因数の和:49781

約数の個数: 24

約数和(自身を含む): 116396280

約数和(自身を除く): 51484275

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 49741, 149223, 248705, 447669, 746115, 1442489, 2238345, 4327467, 7212445, 12982401, 21637335, 64912005]

約数ペア:

[(1, 64912005), (3, 21637335), (5, 12982401), (9, 7212445), (15, 4327467), (29, 2238345), (45, 1442489), (87, 746115), (145, 447669), (261, 248705), (435, 149223), (1305, 49741)]