399790809

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 682858176

約数和(自身を除く): 283067367

約数列:

[1, 3, 9, 11, 27, 33, 37, 67, 81, 99, 111, 181, 201, 297, 333, 407, 543, 603, 737, 891, 999, 1221, 1629, 1809, 1991, 2211, 2479, 2997, 3663, 4887, 5427, 5973, 6633, 6697, 7437, 10989, 12127, 14661, 17919, 19899, 20091, 22311, 27269, 32967, 36381, 53757, 59697, 60273, 66933, 73667, 81807, 109143, 133397, 161271, 180819, 200799, 221001, 245421, 327429, 400191, 448699, 542457, 663003, 736263, 982287, 1200573, 1346097, 1989009, 2208789, 3601719, 4038291, 4935689, 5967027, 10805157, 12114873, 14807067, 36344619, 44421201, 133263603, 399790809]

約数ペア:

[(1, 399790809), (3, 133263603), (9, 44421201), (11, 36344619), (27, 14807067), (33, 12114873), (37, 10805157), (67, 5967027), (81, 4935689), (99, 4038291), (111, 3601719), (181, 2208789), (201, 1989009), (297, 1346097), (333, 1200573), (407, 982287), (543, 736263), (603, 663003), (737, 542457), (891, 448699), (999, 400191), (1221, 327429), (1629, 245421), (1809, 221001), (1991, 200799), (2211, 180819), (2479, 161271), (2997, 133397), (3663, 109143), (4887, 81807), (5427, 73667), (5973, 66933), (6633, 60273), (6697, 59697), (7437, 53757), (10989, 36381), (12127, 32967), (14661, 27269), (17919, 22311), (19899, 20091)]