13888341

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{5531}}^1$

素因数の和:5574

約数の個数: 20

約数和(自身を含む): 21419904

約数和(自身を除く): 7531563

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 5531, 16593, 49779, 149337, 171461, 448011, 514383, 1543149, 4629447, 13888341]

約数ペア:

[(1, 13888341), (3, 4629447), (9, 1543149), (27, 514383), (31, 448011), (81, 171461), (93, 149337), (279, 49779), (837, 16593), (2511, 5531)]