81148067

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 114260832

約数和(自身を除く): 33112765

約数列:

[1, 7, 11, 13, 37, 49, 77, 91, 143, 259, 313, 407, 481, 539, 637, 1001, 1813, 2191, 2849, 3367, 3443, 4069, 5291, 7007, 11581, 15337, 19943, 23569, 24101, 28483, 37037, 44759, 81067, 127391, 150553, 168707, 199381, 259259, 313313, 567469, 891737, 1053871, 1656083, 2193191, 6242159, 7377097, 11592581, 81148067]

約数ペア:

[(1, 81148067), (7, 11592581), (11, 7377097), (13, 6242159), (37, 2193191), (49, 1656083), (77, 1053871), (91, 891737), (143, 567469), (259, 313313), (313, 259259), (407, 199381), (481, 168707), (539, 150553), (637, 127391), (1001, 81067), (1813, 44759), (2191, 37037), (2849, 28483), (3367, 24101), (3443, 23569), (4069, 19943), (5291, 15337), (7007, 11581)]