199937619

素因数分解:

$3^3\times 7^1\times {\mathrm{619}}^1\times {\mathrm{1709}}^1$

素因数の和:2344

約数の個数: 32

約数和(自身を含む): 339264000

約数和(自身を除く): 139326381

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 619, 1709, 1857, 4333, 5127, 5571, 11963, 12999, 15381, 16713, 35889, 38997, 46143, 107667, 116991, 323001, 1057871, 3173613, 7405097, 9520839, 22215291, 28562517, 66645873, 199937619]

約数ペア:

[(1, 199937619), (3, 66645873), (7, 28562517), (9, 22215291), (21, 9520839), (27, 7405097), (63, 3173613), (189, 1057871), (619, 323001), (1709, 116991), (1857, 107667), (4333, 46143), (5127, 38997), (5571, 35889), (11963, 16713), (12999, 15381)]