156520971

素因数分解:

$3^3\times {\mathrm{313}}^1\times {\mathrm{18521}}^1$

素因数の和:18843

約数の個数: 16

約数和(自身を含む): 232636320

約数和(自身を除く): 76115349

約数列:

[1, 3, 9, 27, 313, 939, 2817, 8451, 18521, 55563, 166689, 500067, 5797073, 17391219, 52173657, 156520971]

約数ペア:

[(1, 156520971), (3, 52173657), (9, 17391219), (27, 5797073), (313, 500067), (939, 166689), (2817, 55563), (8451, 18521)]