12801915

素因数分解:

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

素因数の和:94

約数の個数: 128

約数和(自身を含む): 29491200

約数和(自身を除く): 16689285

約数列:

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

約数ペア:

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