201620391

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1\times {\mathrm{857}}^1$

素因数の和:1543

約数の個数: 32

約数和(自身を含む): 326177280

約数和(自身を除く): 124556889

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 659, 857, 1977, 2571, 4613, 5999, 11203, 13839, 14569, 17997, 33609, 43707, 78421, 101983, 235263, 305949, 564763, 1694289, 3953341, 9600971, 11860023, 28802913, 67206797, 201620391]

約数ペア:

[(1, 201620391), (3, 67206797), (7, 28802913), (17, 11860023), (21, 9600971), (51, 3953341), (119, 1694289), (357, 564763), (659, 305949), (857, 235263), (1977, 101983), (2571, 78421), (4613, 43707), (5999, 33609), (11203, 17997), (13839, 14569)]