16997247

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 25535328

約数和(自身を除く): 8538081

約数列:

[1, 3, 9, 41, 73, 123, 219, 369, 631, 657, 1893, 2993, 5679, 8979, 25871, 26937, 46063, 77613, 138189, 232839, 414567, 1888583, 5665749, 16997247]

約数ペア:

[(1, 16997247), (3, 5665749), (9, 1888583), (41, 414567), (73, 232839), (123, 138189), (219, 77613), (369, 46063), (631, 26937), (657, 25871), (1893, 8979), (2993, 5679)]