15730281

素因数分解:

$3^4\times 7^1\times {\mathrm{27743}}^1$

素因数の和:27762

約数の個数: 20

約数和(自身を含む): 26856192

約数和(自身を除く): 11125911

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 27743, 83229, 194201, 249687, 582603, 749061, 1747809, 2247183, 5243427, 15730281]

約数ペア:

[(1, 15730281), (3, 5243427), (7, 2247183), (9, 1747809), (21, 749061), (27, 582603), (63, 249687), (81, 194201), (189, 83229), (567, 27743)]