28931857911

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{1733}}^1$

素因数の和:2254

約数の個数: 80

約数和(自身を含む): 48431785248

約数和(自身を除く): 19499927337

約数列:

[1, 3, 9, 11, 27, 33, 41, 81, 99, 123, 297, 369, 451, 457, 891, 1107, 1353, 1371, 1733, 3321, 4059, 4113, 5027, 5199, 12177, 12339, 15081, 15597, 18737, 19063, 36531, 37017, 45243, 46791, 56211, 57189, 71053, 135729, 140373, 168633, 171567, 206107, 213159, 407187, 505899, 514701, 618321, 639477, 781583, 791981, 1517697, 1544103, 1854963, 1918431, 2344749, 2375943, 5564889, 5755293, 7034247, 7127829, 8711791, 16694667, 21102741, 21383487, 26135373, 32471221, 63308223, 64150461, 78406119, 97413663, 235218357, 292240989, 357183431, 705655071, 876722967, 1071550293, 2630168901, 3214650879, 9643952637, 28931857911]

約数ペア:

[(1, 28931857911), (3, 9643952637), (9, 3214650879), (11, 2630168901), (27, 1071550293), (33, 876722967), (41, 705655071), (81, 357183431), (99, 292240989), (123, 235218357), (297, 97413663), (369, 78406119), (451, 64150461), (457, 63308223), (891, 32471221), (1107, 26135373), (1353, 21383487), (1371, 21102741), (1733, 16694667), (3321, 8711791), (4059, 7127829), (4113, 7034247), (5027, 5755293), (5199, 5564889), (12177, 2375943), (12339, 2344749), (15081, 1918431), (15597, 1854963), (18737, 1544103), (19063, 1517697), (36531, 791981), (37017, 781583), (45243, 639477), (46791, 618321), (56211, 514701), (57189, 505899), (71053, 407187), (135729, 213159), (140373, 206107), (168633, 171567)]