25697721

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{33073}}^1$

素因数の和:33120

約数の個数: 16

約数和(自身を含む): 40217984

約数和(自身を除く): 14520263

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 33073, 99219, 231511, 694533, 1223701, 3671103, 8565907, 25697721]

約数ペア:

[(1, 25697721), (3, 8565907), (7, 3671103), (21, 1223701), (37, 694533), (111, 231511), (259, 99219), (777, 33073)]