200909145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{787879}}^1$

素因数の和:787904

約数の個数: 16

約数和(自身を含む): 340364160

約数和(自身を除く): 139455015

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 787879, 2363637, 3939395, 11818185, 13393943, 40181829, 66969715, 200909145]

約数ペア:

[(1, 200909145), (3, 66969715), (5, 40181829), (15, 13393943), (17, 11818185), (51, 3939395), (85, 2363637), (255, 787879)]