81008001

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 131788800

約数和(自身を除く): 50780799

約数列:

[1, 3, 9, 19, 23, 43, 57, 69, 129, 171, 207, 387, 437, 479, 817, 989, 1311, 1437, 2451, 2967, 3933, 4311, 7353, 8901, 9101, 11017, 18791, 20597, 27303, 33051, 56373, 61791, 81909, 99153, 169119, 185373, 209323, 391343, 473731, 627969, 1174029, 1421193, 1883907, 3522087, 4263579, 9000889, 27002667, 81008001]

約数ペア:

[(1, 81008001), (3, 27002667), (9, 9000889), (19, 4263579), (23, 3522087), (43, 1883907), (57, 1421193), (69, 1174029), (129, 627969), (171, 473731), (207, 391343), (387, 209323), (437, 185373), (479, 169119), (817, 99153), (989, 81909), (1311, 61791), (1437, 56373), (2451, 33051), (2967, 27303), (3933, 20597), (4311, 18791), (7353, 11017), (8901, 9101)]