81856103

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{1307}}^1$

素因数の和:1726

約数の個数: 16

約数和(自身を含む): 97943040

約数和(自身を除く): 16086937

約数列:

[1, 7, 23, 161, 389, 1307, 2723, 8947, 9149, 30061, 62629, 210427, 508423, 3558961, 11693729, 81856103]

約数ペア:

[(1, 81856103), (7, 11693729), (23, 3558961), (161, 508423), (389, 210427), (1307, 62629), (2723, 30061), (8947, 9149)]