25697116641

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{3985903}}^1$

素因数の和:3986220

約数の個数: 16

約数和(自身を含む): 39285069824

約数和(自身を除く): 13587953183

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6447, 3985903, 11957709, 27901321, 83703963, 1223672221, 3671016663, 8565705547, 25697116641]

約数ペア:

[(1, 25697116641), (3, 8565705547), (7, 3671016663), (21, 1223672221), (307, 83703963), (921, 27901321), (2149, 11957709), (6447, 3985903)]