981520897

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1\times {\mathrm{4951}}^1$

素因数の和:5308

約数の個数: 16

約数和(自身を含む): 1135869952

約数和(自身を除く): 154349055

約数列:

[1, 7, 127, 223, 889, 1561, 4951, 28321, 34657, 198247, 628777, 1104073, 4401439, 7728511, 140217271, 981520897]

約数ペア:

[(1, 981520897), (7, 140217271), (127, 7728511), (223, 4401439), (889, 1104073), (1561, 628777), (4951, 198247), (28321, 34657)]