81922269

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 139345920

約数和(自身を除く): 57423651

約数列:

[1, 3, 11, 13, 17, 33, 39, 47, 51, 141, 143, 187, 221, 239, 429, 517, 561, 611, 663, 717, 799, 1551, 1833, 2397, 2431, 2629, 3107, 4063, 6721, 7293, 7887, 8789, 9321, 10387, 11233, 12189, 20163, 26367, 31161, 33699, 34177, 44693, 52819, 102531, 114257, 123563, 134079, 146029, 158457, 190961, 342771, 370689, 438087, 572883, 581009, 1606319, 1743027, 2100571, 2482493, 4818957, 6301713, 7447479, 27307423, 81922269]

約数ペア:

[(1, 81922269), (3, 27307423), (11, 7447479), (13, 6301713), (17, 4818957), (33, 2482493), (39, 2100571), (47, 1743027), (51, 1606319), (141, 581009), (143, 572883), (187, 438087), (221, 370689), (239, 342771), (429, 190961), (517, 158457), (561, 146029), (611, 134079), (663, 123563), (717, 114257), (799, 102531), (1551, 52819), (1833, 44693), (2397, 34177), (2431, 33699), (2629, 31161), (3107, 26367), (4063, 20163), (6721, 12189), (7293, 11233), (7887, 10387), (8789, 9321)]