201991533

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{67}}^2\times {\mathrm{283}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 279544608

約数和(自身を除く): 77553075

約数列:

[1, 3, 53, 67, 159, 201, 283, 849, 3551, 4489, 10653, 13467, 14999, 18961, 44997, 56883, 237917, 713751, 1004933, 1270387, 3014799, 3811161, 67330511, 201991533]

約数ペア:

[(1, 201991533), (3, 67330511), (53, 3811161), (67, 3014799), (159, 1270387), (201, 1004933), (283, 713751), (849, 237917), (3551, 56883), (4489, 44997), (10653, 18961), (13467, 14999)]