38405745

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:97

約数の個数: 160

約数和(自身を含む): 89210880

約数和(自身を除く): 50805135

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 23, 27, 31, 35, 45, 57, 63, 69, 81, 93, 95, 105, 115, 133, 135, 155, 161, 171, 189, 207, 217, 279, 285, 315, 345, 399, 405, 437, 465, 483, 513, 567, 589, 621, 651, 665, 713, 805, 837, 855, 945, 1035, 1085, 1197, 1311, 1395, 1449, 1539, 1767, 1863, 1953, 1995, 2139, 2185, 2415, 2511, 2565, 2835, 2945, 3059, 3105, 3255, 3565, 3591, 3933, 4123, 4185, 4347, 4991, 5301, 5859, 5985, 6417, 6555, 7245, 7695, 8835, 9177, 9315, 9765, 10695, 10773, 11799, 12369, 12555, 13041, 13547, 14973, 15295, 15903, 17577, 17955, 19251, 19665, 20615, 21735, 24955, 26505, 27531, 29295, 32085, 35397, 37107, 40641, 44919, 45885, 47709, 53865, 57753, 58995, 61845, 65205, 67735, 74865, 79515, 82593, 87885, 94829, 96255, 111321, 121923, 134757, 137655, 176985, 185535, 203205, 224595, 238545, 247779, 284487, 288765, 333963, 365769, 404271, 412965, 474145, 556605, 609615, 673785, 853461, 1097307, 1238895, 1422435, 1669815, 1828845, 2021355, 2560383, 4267305, 5486535, 7681149, 12801915, 38405745]

約数ペア:

[(1, 38405745), (3, 12801915), (5, 7681149), (7, 5486535), (9, 4267305), (15, 2560383), (19, 2021355), (21, 1828845), (23, 1669815), (27, 1422435), (31, 1238895), (35, 1097307), (45, 853461), (57, 673785), (63, 609615), (69, 556605), (81, 474145), (93, 412965), (95, 404271), (105, 365769), (115, 333963), (133, 288765), (135, 284487), (155, 247779), (161, 238545), (171, 224595), (189, 203205), (207, 185535), (217, 176985), (279, 137655), (285, 134757), (315, 121923), (345, 111321), (399, 96255), (405, 94829), (437, 87885), (465, 82593), (483, 79515), (513, 74865), (567, 67735), (589, 65205), (621, 61845), (651, 58995), (665, 57753), (713, 53865), (805, 47709), (837, 45885), (855, 44919), (945, 40641), (1035, 37107), (1085, 35397), (1197, 32085), (1311, 29295), (1395, 27531), (1449, 26505), (1539, 24955), (1767, 21735), (1863, 20615), (1953, 19665), (1995, 19251), (2139, 17955), (2185, 17577), (2415, 15903), (2511, 15295), (2565, 14973), (2835, 13547), (2945, 13041), (3059, 12555), (3105, 12369), (3255, 11799), (3565, 10773), (3591, 10695), (3933, 9765), (4123, 9315), (4185, 9177), (4347, 8835), (4991, 7695), (5301, 7245), (5859, 6555), (5985, 6417)]