769743

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:85

約数の個数: 40

約数和(自身を含む): 1341648

約数和(自身を除く): 571905

約数列:

[1, 3, 9, 13, 17, 27, 39, 43, 51, 81, 117, 129, 153, 221, 351, 387, 459, 559, 663, 731, 1053, 1161, 1377, 1677, 1989, 2193, 3483, 5031, 5967, 6579, 9503, 15093, 17901, 19737, 28509, 45279, 59211, 85527, 256581, 769743]

約数ペア:

[(1, 769743), (3, 256581), (9, 85527), (13, 59211), (17, 45279), (27, 28509), (39, 19737), (43, 17901), (51, 15093), (81, 9503), (117, 6579), (129, 5967), (153, 5031), (221, 3483), (351, 2193), (387, 1989), (459, 1677), (559, 1377), (663, 1161), (731, 1053)]