20151681

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{2113}}^1$

素因数の和:2161

約数の個数: 24

約数和(自身を含む): 31151904

約数和(自身を除く): 11000223

約数列:

[1, 3, 11, 17, 33, 51, 187, 289, 561, 867, 2113, 3179, 6339, 9537, 23243, 35921, 69729, 107763, 395131, 610657, 1185393, 1831971, 6717227, 20151681]

約数ペア:

[(1, 20151681), (3, 6717227), (11, 1831971), (17, 1185393), (33, 610657), (51, 395131), (187, 107763), (289, 69729), (561, 35921), (867, 23243), (2113, 9537), (3179, 6339)]