28740789

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{619}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 52615680

約数和(自身を除く): 23874891

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 67, 77, 99, 201, 231, 469, 603, 619, 693, 737, 1407, 1857, 2211, 4221, 4333, 5159, 5571, 6633, 6809, 12999, 15477, 20427, 38997, 41473, 46431, 47663, 61281, 124419, 142989, 290311, 373257, 428967, 456203, 870933, 1368609, 2612799, 3193421, 4105827, 9580263, 28740789]

約数ペア:

[(1, 28740789), (3, 9580263), (7, 4105827), (9, 3193421), (11, 2612799), (21, 1368609), (33, 870933), (63, 456203), (67, 428967), (77, 373257), (99, 290311), (201, 142989), (231, 124419), (469, 61281), (603, 47663), (619, 46431), (693, 41473), (737, 38997), (1407, 20427), (1857, 15477), (2211, 12999), (4221, 6809), (4333, 6633), (5159, 5571)]