211936815

素因数分解:

$3^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{3163}}^1$

素因数の和:4663

約数の個数: 24

約数和(自身を含む): 367720080

約数和(自身を除く): 155783265

約数列:

[1, 3, 5, 9, 15, 45, 1489, 3163, 4467, 7445, 9489, 13401, 15815, 22335, 28467, 47445, 67005, 142335, 4709707, 14129121, 23548535, 42387363, 70645605, 211936815]

約数ペア:

[(1, 211936815), (3, 70645605), (5, 42387363), (9, 23548535), (15, 14129121), (45, 4709707), (1489, 142335), (3163, 67005), (4467, 47445), (7445, 28467), (9489, 22335), (13401, 15815)]