131467791

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1777}}^1$

素因数の和:2071

約数の個数: 32

約数和(自身を含む): 216659968

約数和(自身を除く): 85192177

約数列:

[1, 3, 7, 13, 21, 39, 91, 271, 273, 813, 1777, 1897, 3523, 5331, 5691, 10569, 12439, 23101, 24661, 37317, 69303, 73983, 161707, 481567, 485121, 1444701, 3370969, 6260371, 10112907, 18781113, 43822597, 131467791]

約数ペア:

[(1, 131467791), (3, 43822597), (7, 18781113), (13, 10112907), (21, 6260371), (39, 3370969), (91, 1444701), (271, 485121), (273, 481567), (813, 161707), (1777, 73983), (1897, 69303), (3523, 37317), (5331, 24661), (5691, 23101), (10569, 12439)]