27854771

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{5581}}^1$

素因数の和:5642

約数の個数: 16

約数和(自身を含む): 34295808

約数和(自身を除く): 6441037

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 5581, 39067, 128363, 173011, 898541, 1211077, 3979253, 27854771]

約数ペア:

[(1, 27854771), (7, 3979253), (23, 1211077), (31, 898541), (161, 173011), (217, 128363), (713, 39067), (4991, 5581)]