201686985

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{104231}}^1$

素因数の和:104285

約数の個数: 24

約数和(自身を含む): 357724224

約数和(自身を除く): 156037239

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 104231, 312693, 521155, 938079, 1563465, 4481933, 4690395, 13445799, 22409665, 40337397, 67228995, 201686985]

約数ペア:

[(1, 201686985), (3, 67228995), (5, 40337397), (9, 22409665), (15, 13445799), (43, 4690395), (45, 4481933), (129, 1563465), (215, 938079), (387, 521155), (645, 312693), (1935, 104231)]