31780239

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4813}}^1$

素因数の和:4918

約数の個数: 16

約数和(自身を含む): 44365824

約数和(自身を除く): 12585585

約数列:

[1, 3, 31, 71, 93, 213, 2201, 4813, 6603, 14439, 149203, 341723, 447609, 1025169, 10593413, 31780239]

約数ペア:

[(1, 31780239), (3, 10593413), (31, 1025169), (71, 447609), (93, 341723), (213, 149203), (2201, 14439), (4813, 6603)]