291123261

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{75401}}^1$

素因数の和:75434

約数の個数: 32

約数和(自身を含む): 506701440

約数和(自身を除く): 215578179

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 75401, 226203, 678609, 829411, 980213, 2035827, 2488233, 2940639, 7464699, 8821917, 10782343, 22394097, 26465751, 32347029, 97041087, 291123261]

約数ペア:

[(1, 291123261), (3, 97041087), (9, 32347029), (11, 26465751), (13, 22394097), (27, 10782343), (33, 8821917), (39, 7464699), (99, 2940639), (117, 2488233), (143, 2035827), (297, 980213), (351, 829411), (429, 678609), (1287, 226203), (3861, 75401)]