31188507

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 48996864

約数和(自身を除く): 17808357

約数列:

[1, 3, 7, 21, 61, 97, 183, 251, 291, 427, 679, 753, 1281, 1757, 2037, 5271, 5917, 15311, 17751, 24347, 41419, 45933, 73041, 107177, 124257, 170429, 321531, 511287, 1485167, 4455501, 10396169, 31188507]

約数ペア:

[(1, 31188507), (3, 10396169), (7, 4455501), (21, 1485167), (61, 511287), (97, 321531), (183, 170429), (251, 124257), (291, 107177), (427, 73041), (679, 45933), (753, 41419), (1281, 24347), (1757, 17751), (2037, 15311), (5271, 5917)]