142499889

素因数分解:

$3^2\times 7^2\times {\mathrm{311}}^1\times {\mathrm{1039}}^1$

素因数の和:1370

約数の個数: 36

約数和(自身を含む): 240439680

約数和(自身を除く): 97939791

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 311, 441, 933, 1039, 2177, 2799, 3117, 6531, 7273, 9351, 15239, 19593, 21819, 45717, 50911, 65457, 137151, 152733, 323129, 458199, 969387, 2261903, 2908161, 6785709, 15833321, 20357127, 47499963, 142499889]

約数ペア:

[(1, 142499889), (3, 47499963), (7, 20357127), (9, 15833321), (21, 6785709), (49, 2908161), (63, 2261903), (147, 969387), (311, 458199), (441, 323129), (933, 152733), (1039, 137151), (2177, 65457), (2799, 50911), (3117, 45717), (6531, 21819), (7273, 19593), (9351, 15239)]