739557

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:79

約数の個数: 48

約数和(自身を含む): 1404480

約数和(自身を除く): 664923

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 43, 49, 63, 91, 117, 129, 147, 189, 273, 301, 351, 387, 441, 559, 637, 819, 903, 1161, 1323, 1677, 1911, 2107, 2457, 2709, 3913, 5031, 5733, 6321, 8127, 11739, 15093, 17199, 18963, 27391, 35217, 56889, 82173, 105651, 246519, 739557]

約数ペア:

[(1, 739557), (3, 246519), (7, 105651), (9, 82173), (13, 56889), (21, 35217), (27, 27391), (39, 18963), (43, 17199), (49, 15093), (63, 11739), (91, 8127), (117, 6321), (129, 5733), (147, 5031), (189, 3913), (273, 2709), (301, 2457), (351, 2107), (387, 1911), (441, 1677), (559, 1323), (637, 1161), (819, 903)]