71273769

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2447}}^1$

素因数の和:2549

約数の個数: 32

約数和(自身を含む): 115937280

約数和(自身を除く): 44663511

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 1387, 1533, 2447, 4161, 7341, 9709, 17129, 29127, 46493, 51387, 139479, 178631, 325451, 535893, 976353, 1250417, 3393989, 3751251, 10181967, 23757923, 71273769]

約数ペア:

[(1, 71273769), (3, 23757923), (7, 10181967), (19, 3751251), (21, 3393989), (57, 1250417), (73, 976353), (133, 535893), (219, 325451), (399, 178631), (511, 139479), (1387, 51387), (1533, 46493), (2447, 29127), (4161, 17129), (7341, 9709)]