199973319

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{2213}}^1$

素因数の和:2567

約数の個数: 32

約数和(自身を含む): 329301504

約数和(自身を除く): 129328185

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 331, 993, 2213, 2317, 4303, 6639, 6951, 12909, 15491, 28769, 30121, 46473, 86307, 90363, 201383, 604149, 732503, 2197509, 5127521, 9522539, 15382563, 28567617, 66657773, 199973319]

約数ペア:

[(1, 199973319), (3, 66657773), (7, 28567617), (13, 15382563), (21, 9522539), (39, 5127521), (91, 2197509), (273, 732503), (331, 604149), (993, 201383), (2213, 90363), (2317, 86307), (4303, 46473), (6639, 30121), (6951, 28769), (12909, 15491)]