8541225

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 144

約数和(自身を含む): 20891520

約数和(自身を除く): 12350295

約数列:

[1, 3, 5, 7, 9, 11, 15, 17, 21, 25, 29, 33, 35, 45, 51, 55, 63, 75, 77, 85, 87, 99, 105, 119, 145, 153, 165, 175, 187, 203, 225, 231, 255, 261, 275, 315, 319, 357, 385, 425, 435, 493, 495, 525, 561, 595, 609, 693, 725, 765, 825, 935, 957, 1015, 1071, 1155, 1275, 1305, 1309, 1479, 1575, 1595, 1683, 1785, 1827, 1925, 2175, 2233, 2465, 2475, 2805, 2871, 2975, 3045, 3451, 3465, 3825, 3927, 4437, 4675, 4785, 5075, 5355, 5423, 5775, 6525, 6545, 6699, 7395, 7975, 8415, 8925, 9135, 10353, 11165, 11781, 12325, 14025, 14355, 15225, 16269, 17255, 17325, 19635, 20097, 22185, 23925, 26775, 27115, 31059, 32725, 33495, 36975, 37961, 42075, 45675, 48807, 51765, 55825, 58905, 71775, 81345, 86275, 98175, 100485, 110925, 113883, 135575, 155295, 167475, 189805, 244035, 258825, 294525, 341649, 406725, 502425, 569415, 776475, 949025, 1220175, 1708245, 2847075, 8541225]

約数ペア:

[(1, 8541225), (3, 2847075), (5, 1708245), (7, 1220175), (9, 949025), (11, 776475), (15, 569415), (17, 502425), (21, 406725), (25, 341649), (29, 294525), (33, 258825), (35, 244035), (45, 189805), (51, 167475), (55, 155295), (63, 135575), (75, 113883), (77, 110925), (85, 100485), (87, 98175), (99, 86275), (105, 81345), (119, 71775), (145, 58905), (153, 55825), (165, 51765), (175, 48807), (187, 45675), (203, 42075), (225, 37961), (231, 36975), (255, 33495), (261, 32725), (275, 31059), (315, 27115), (319, 26775), (357, 23925), (385, 22185), (425, 20097), (435, 19635), (493, 17325), (495, 17255), (525, 16269), (561, 15225), (595, 14355), (609, 14025), (693, 12325), (725, 11781), (765, 11165), (825, 10353), (935, 9135), (957, 8925), (1015, 8415), (1071, 7975), (1155, 7395), (1275, 6699), (1305, 6545), (1309, 6525), (1479, 5775), (1575, 5423), (1595, 5355), (1683, 5075), (1785, 4785), (1827, 4675), (1925, 4437), (2175, 3927), (2233, 3825), (2465, 3465), (2475, 3451), (2805, 3045), (2871, 2975)]