51861879

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{293}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 76501152

約数和(自身を除く): 24639273

約数列:

[1, 3, 9, 71, 213, 277, 293, 639, 831, 879, 2493, 2637, 19667, 20803, 59001, 62409, 81161, 177003, 187227, 243483, 730449, 5762431, 17287293, 51861879]

約数ペア:

[(1, 51861879), (3, 17287293), (9, 5762431), (71, 730449), (213, 243483), (277, 187227), (293, 177003), (639, 81161), (831, 62409), (879, 59001), (2493, 20803), (2637, 19667)]