81722358

素因数分解:

$2^1\times 3^6\times {\mathrm{23}}^1\times {\mathrm{2437}}^1$

素因数の和:2480

約数の個数: 56

約数和(自身を含む): 191860848

約数和(自身を除く): 110138490

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 243, 414, 486, 621, 729, 1242, 1458, 1863, 2437, 3726, 4874, 5589, 7311, 11178, 14622, 16767, 21933, 33534, 43866, 56051, 65799, 112102, 131598, 168153, 197397, 336306, 394794, 504459, 592191, 1008918, 1184382, 1513377, 1776573, 3026754, 3553146, 4540131, 9080262, 13620393, 27240786, 40861179, 81722358]

約数ペア:

[(1, 81722358), (2, 40861179), (3, 27240786), (6, 13620393), (9, 9080262), (18, 4540131), (23, 3553146), (27, 3026754), (46, 1776573), (54, 1513377), (69, 1184382), (81, 1008918), (138, 592191), (162, 504459), (207, 394794), (243, 336306), (414, 197397), (486, 168153), (621, 131598), (729, 112102), (1242, 65799), (1458, 56051), (1863, 43866), (2437, 33534), (3726, 21933), (4874, 16767), (5589, 14622), (7311, 11178)]