64166985

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3371}}^1$

素因数の和:3435

約数の個数: 40

約数和(自身を含む): 117507456

約数和(自身を除く): 53340471

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 705, 1269, 2115, 3371, 3807, 6345, 10113, 16855, 19035, 30339, 50565, 91017, 151695, 158437, 273051, 455085, 475311, 792185, 1365255, 1425933, 2376555, 4277799, 7129665, 12833397, 21388995, 64166985]

約数ペア:

[(1, 64166985), (3, 21388995), (5, 12833397), (9, 7129665), (15, 4277799), (27, 2376555), (45, 1425933), (47, 1365255), (81, 792185), (135, 475311), (141, 455085), (235, 273051), (405, 158437), (423, 151695), (705, 91017), (1269, 50565), (2115, 30339), (3371, 19035), (3807, 16855), (6345, 10113)]