28166691

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{25307}}^1$

素因数の和:25370

約数の個数: 16

約数和(自身を含む): 43732224

約数和(自身を除く): 15565533

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 25307, 75921, 177149, 531447, 1341271, 4023813, 9388897, 28166691]

約数ペア:

[(1, 28166691), (3, 9388897), (7, 4023813), (21, 1341271), (53, 531447), (159, 177149), (371, 75921), (1113, 25307)]