81669546

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{72019}}^1$

素因数の和:72040

約数の個数: 40

約数和(自身を含む): 209146080

約数和(自身を除く): 127476534

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 72019, 144038, 216057, 432114, 504133, 648171, 1008266, 1296342, 1512399, 1944513, 3024798, 3889026, 4537197, 5833539, 9074394, 11667078, 13611591, 27223182, 40834773, 81669546]

約数ペア:

[(1, 81669546), (2, 40834773), (3, 27223182), (6, 13611591), (7, 11667078), (9, 9074394), (14, 5833539), (18, 4537197), (21, 3889026), (27, 3024798), (42, 1944513), (54, 1512399), (63, 1296342), (81, 1008266), (126, 648171), (162, 504133), (189, 432114), (378, 216057), (567, 144038), (1134, 72019)]