40987149

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 64475136

約数和(自身を除く): 23487987

約数列:

[1, 3, 7, 21, 47, 131, 141, 317, 329, 393, 917, 951, 987, 2219, 2751, 6157, 6657, 14899, 18471, 41527, 43099, 44697, 104293, 124581, 129297, 290689, 312879, 872067, 1951769, 5855307, 13662383, 40987149]

約数ペア:

[(1, 40987149), (3, 13662383), (7, 5855307), (21, 1951769), (47, 872067), (131, 312879), (141, 290689), (317, 129297), (329, 124581), (393, 104293), (917, 44697), (951, 43099), (987, 41527), (2219, 18471), (2751, 14899), (6157, 6657)]