28849425

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^3\times {\mathrm{17}}^2$

素因数の和:80

約数の個数: 72

約数和(自身を含む): 55731552

約数和(自身を除く): 26882127

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 121, 165, 187, 255, 275, 289, 363, 425, 561, 605, 825, 867, 935, 1275, 1331, 1445, 1815, 2057, 2805, 3025, 3179, 3993, 4335, 4675, 6171, 6655, 7225, 9075, 9537, 10285, 14025, 15895, 19965, 21675, 22627, 30855, 33275, 34969, 47685, 51425, 67881, 79475, 99825, 104907, 113135, 154275, 174845, 238425, 339405, 384659, 524535, 565675, 874225, 1153977, 1697025, 1923295, 2622675, 5769885, 9616475, 28849425]

約数ペア:

[(1, 28849425), (3, 9616475), (5, 5769885), (11, 2622675), (15, 1923295), (17, 1697025), (25, 1153977), (33, 874225), (51, 565675), (55, 524535), (75, 384659), (85, 339405), (121, 238425), (165, 174845), (187, 154275), (255, 113135), (275, 104907), (289, 99825), (363, 79475), (425, 67881), (561, 51425), (605, 47685), (825, 34969), (867, 33275), (935, 30855), (1275, 22627), (1331, 21675), (1445, 19965), (1815, 15895), (2057, 14025), (2805, 10285), (3025, 9537), (3179, 9075), (3993, 7225), (4335, 6655), (4675, 6171)]