15721803

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{5153}}^1$

素因数の和:5275

約数の個数: 16

約数和(自身を含む): 23502240

約数和(自身を除く): 7780437

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 5153, 15459, 46377, 139131, 582289, 1746867, 5240601, 15721803]

約数ペア:

[(1, 15721803), (3, 5240601), (9, 1746867), (27, 582289), (113, 139131), (339, 46377), (1017, 15459), (3051, 5153)]