2090907

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:89

約数の個数: 64

約数和(自身を含む): 4085760

約数和(自身を除く): 1994853

約数列:

[1, 3, 7, 9, 13, 21, 23, 27, 37, 39, 63, 69, 91, 111, 117, 161, 189, 207, 259, 273, 299, 333, 351, 481, 483, 621, 777, 819, 851, 897, 999, 1443, 1449, 2093, 2331, 2457, 2553, 2691, 3367, 4329, 4347, 5957, 6279, 6993, 7659, 8073, 10101, 11063, 12987, 17871, 18837, 22977, 30303, 33189, 53613, 56511, 77441, 90909, 99567, 160839, 232323, 298701, 696969, 2090907]

約数ペア:

[(1, 2090907), (3, 696969), (7, 298701), (9, 232323), (13, 160839), (21, 99567), (23, 90909), (27, 77441), (37, 56511), (39, 53613), (63, 33189), (69, 30303), (91, 22977), (111, 18837), (117, 17871), (161, 12987), (189, 11063), (207, 10101), (259, 8073), (273, 7659), (299, 6993), (333, 6279), (351, 5957), (481, 4347), (483, 4329), (621, 3367), (777, 2691), (819, 2553), (851, 2457), (897, 2331), (999, 2093), (1443, 1449)]