138795215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{68881}}^1$

素因数の和:68930

約数の個数: 16

約数和(自身を含む): 185154816

約数和(自身を除く): 46359601

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 68881, 344405, 895453, 2135311, 4477265, 10676555, 27759043, 138795215]

約数ペア:

[(1, 138795215), (5, 27759043), (13, 10676555), (31, 4477265), (65, 2135311), (155, 895453), (403, 344405), (2015, 68881)]