201945975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{17}}^2$

素因数の和:87

約数の個数: 144

約数和(自身を含む): 445852416

約数和(自身を除く): 243906441

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 25, 33, 35, 51, 55, 75, 77, 85, 105, 119, 121, 165, 175, 187, 231, 255, 275, 289, 357, 363, 385, 425, 525, 561, 595, 605, 825, 847, 867, 935, 1155, 1275, 1309, 1331, 1445, 1785, 1815, 1925, 2023, 2057, 2541, 2805, 2975, 3025, 3179, 3927, 3993, 4235, 4335, 4675, 5775, 6069, 6171, 6545, 6655, 7225, 8925, 9075, 9317, 9537, 10115, 10285, 12705, 14025, 14399, 15895, 19635, 19965, 21175, 21675, 22253, 22627, 27951, 30345, 30855, 32725, 33275, 34969, 43197, 46585, 47685, 50575, 51425, 63525, 66759, 67881, 71995, 79475, 98175, 99825, 104907, 111265, 113135, 139755, 151725, 154275, 158389, 174845, 215985, 232925, 238425, 244783, 333795, 339405, 359975, 384659, 475167, 524535, 556325, 565675, 698775, 734349, 791945, 874225, 1079925, 1153977, 1223915, 1668975, 1697025, 1923295, 2375835, 2622675, 2692613, 3671745, 3959725, 5769885, 6119575, 8077839, 9616475, 11879175, 13463065, 18358725, 28849425, 40389195, 67315325, 201945975]

約数ペア:

[(1, 201945975), (3, 67315325), (5, 40389195), (7, 28849425), (11, 18358725), (15, 13463065), (17, 11879175), (21, 9616475), (25, 8077839), (33, 6119575), (35, 5769885), (51, 3959725), (55, 3671745), (75, 2692613), (77, 2622675), (85, 2375835), (105, 1923295), (119, 1697025), (121, 1668975), (165, 1223915), (175, 1153977), (187, 1079925), (231, 874225), (255, 791945), (275, 734349), (289, 698775), (357, 565675), (363, 556325), (385, 524535), (425, 475167), (525, 384659), (561, 359975), (595, 339405), (605, 333795), (825, 244783), (847, 238425), (867, 232925), (935, 215985), (1155, 174845), (1275, 158389), (1309, 154275), (1331, 151725), (1445, 139755), (1785, 113135), (1815, 111265), (1925, 104907), (2023, 99825), (2057, 98175), (2541, 79475), (2805, 71995), (2975, 67881), (3025, 66759), (3179, 63525), (3927, 51425), (3993, 50575), (4235, 47685), (4335, 46585), (4675, 43197), (5775, 34969), (6069, 33275), (6171, 32725), (6545, 30855), (6655, 30345), (7225, 27951), (8925, 22627), (9075, 22253), (9317, 21675), (9537, 21175), (10115, 19965), (10285, 19635), (12705, 15895), (14025, 14399)]