71581455

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:146

約数の個数: 128

約数和(自身を含む): 152064000

約数和(自身を除く): 80482545

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 43, 45, 55, 57, 59, 95, 99, 129, 135, 165, 171, 177, 209, 215, 285, 295, 297, 387, 473, 495, 513, 531, 627, 645, 649, 817, 855, 885, 1045, 1121, 1161, 1419, 1485, 1593, 1881, 1935, 1947, 2365, 2451, 2537, 2565, 2655, 3135, 3245, 3363, 4085, 4257, 5605, 5643, 5805, 5841, 7095, 7353, 7611, 7965, 8987, 9405, 9735, 10089, 12255, 12331, 12685, 12771, 16815, 17523, 21285, 22059, 22833, 26961, 27907, 28215, 29205, 30267, 36765, 36993, 38055, 44935, 48203, 50445, 61655, 63855, 68499, 80883, 83721, 87615, 110295, 110979, 114165, 134805, 139535, 144609, 151335, 184965, 241015, 242649, 251163, 332937, 342495, 404415, 418605, 433827, 530233, 554895, 723045, 753489, 1213245, 1255815, 1301481, 1590699, 1664685, 2169135, 2651165, 3767445, 4772097, 6507405, 7953495, 14316291, 23860485, 71581455]

約数ペア:

[(1, 71581455), (3, 23860485), (5, 14316291), (9, 7953495), (11, 6507405), (15, 4772097), (19, 3767445), (27, 2651165), (33, 2169135), (43, 1664685), (45, 1590699), (55, 1301481), (57, 1255815), (59, 1213245), (95, 753489), (99, 723045), (129, 554895), (135, 530233), (165, 433827), (171, 418605), (177, 404415), (209, 342495), (215, 332937), (285, 251163), (295, 242649), (297, 241015), (387, 184965), (473, 151335), (495, 144609), (513, 139535), (531, 134805), (627, 114165), (645, 110979), (649, 110295), (817, 87615), (855, 83721), (885, 80883), (1045, 68499), (1121, 63855), (1161, 61655), (1419, 50445), (1485, 48203), (1593, 44935), (1881, 38055), (1935, 36993), (1947, 36765), (2365, 30267), (2451, 29205), (2537, 28215), (2565, 27907), (2655, 26961), (3135, 22833), (3245, 22059), (3363, 21285), (4085, 17523), (4257, 16815), (5605, 12771), (5643, 12685), (5805, 12331), (5841, 12255), (7095, 10089), (7353, 9735), (7611, 9405), (7965, 8987)]