72809121

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 130222080

約数和(自身を除く): 57412959

約数列:

[1, 3, 7, 11, 19, 21, 33, 53, 57, 77, 133, 159, 209, 231, 313, 371, 399, 583, 627, 939, 1007, 1113, 1463, 1749, 2191, 3021, 3443, 4081, 4389, 5947, 6573, 7049, 10329, 11077, 12243, 16589, 17841, 21147, 24101, 33231, 41629, 49767, 65417, 72303, 77539, 116123, 124887, 182479, 196251, 232617, 315191, 348369, 457919, 547437, 945573, 1277353, 1373757, 2206337, 3467101, 3832059, 6619011, 10401303, 24269707, 72809121]

約数ペア:

[(1, 72809121), (3, 24269707), (7, 10401303), (11, 6619011), (19, 3832059), (21, 3467101), (33, 2206337), (53, 1373757), (57, 1277353), (77, 945573), (133, 547437), (159, 457919), (209, 348369), (231, 315191), (313, 232617), (371, 196251), (399, 182479), (583, 124887), (627, 116123), (939, 77539), (1007, 72303), (1113, 65417), (1463, 49767), (1749, 41629), (2191, 33231), (3021, 24101), (3443, 21147), (4081, 17841), (4389, 16589), (5947, 12243), (6573, 11077), (7049, 10329)]