26540073

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 45741696

約数和(自身を除く): 19201623

約数列:

[1, 3, 7, 9, 21, 43, 63, 97, 101, 129, 291, 301, 303, 387, 679, 707, 873, 903, 909, 2037, 2121, 2709, 4171, 4343, 6111, 6363, 9797, 12513, 13029, 29197, 29391, 30401, 37539, 39087, 68579, 87591, 88173, 91203, 205737, 262773, 273609, 421271, 617211, 1263813, 2948897, 3791439, 8846691, 26540073]

約数ペア:

[(1, 26540073), (3, 8846691), (7, 3791439), (9, 2948897), (21, 1263813), (43, 617211), (63, 421271), (97, 273609), (101, 262773), (129, 205737), (291, 91203), (301, 88173), (303, 87591), (387, 68579), (679, 39087), (707, 37539), (873, 30401), (903, 29391), (909, 29197), (2037, 13029), (2121, 12513), (2709, 9797), (4171, 6363), (4343, 6111)]