57793281

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1523}}^1$

素因数の和:1685

約数の個数: 32

約数和(自身を含む): 95585280

約数和(自身を除く): 37791999

約数列:

[1, 3, 7, 13, 21, 39, 91, 139, 273, 417, 973, 1523, 1807, 2919, 4569, 5421, 10661, 12649, 19799, 31983, 37947, 59397, 138593, 211697, 415779, 635091, 1481879, 2752061, 4445637, 8256183, 19264427, 57793281]

約数ペア:

[(1, 57793281), (3, 19264427), (7, 8256183), (13, 4445637), (21, 2752061), (39, 1481879), (91, 635091), (139, 415779), (273, 211697), (417, 138593), (973, 59397), (1523, 37947), (1807, 31983), (2919, 19799), (4569, 12649), (5421, 10661)]