51321993

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 72677472

約数和(自身を除く): 21355479

約数列:

[1, 3, 23, 69, 73, 219, 443, 529, 1329, 1587, 1679, 5037, 10189, 30567, 32339, 38617, 97017, 115851, 234347, 703041, 743797, 2231391, 17107331, 51321993]

約数ペア:

[(1, 51321993), (3, 17107331), (23, 2231391), (69, 743797), (73, 703041), (219, 234347), (443, 115851), (529, 97017), (1329, 38617), (1587, 32339), (1679, 30567), (5037, 10189)]