1390053

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1789}}^1$

素因数の和:1836

約数の個数: 16

約数和(自身を含む): 2176640

約数和(自身を除く): 786587

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 1789, 5367, 12523, 37569, 66193, 198579, 463351, 1390053]

約数ペア:

[(1, 1390053), (3, 463351), (7, 198579), (21, 66193), (37, 37569), (111, 12523), (259, 5367), (777, 1789)]