278840394819

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10331}}^1\times {\mathrm{11579}}^1$

素因数の和:21960

約数の個数: 48

約数和(自身を含む): 472835301120

約数和(自身を除く): 193994906301

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 10331, 11579, 30993, 34737, 72317, 81053, 92979, 104211, 216951, 243159, 382247, 428423, 650853, 729477, 1146741, 1285269, 2675729, 2998961, 3440223, 3855807, 8027187, 8996883, 24081561, 26990649, 119622649, 358867947, 837358543, 1076603841, 2512075629, 4426038013, 7536226887, 13278114039, 30982266091, 39834342117, 92946798273, 278840394819]

約数ペア:

[(1, 278840394819), (3, 92946798273), (7, 39834342117), (9, 30982266091), (21, 13278114039), (37, 7536226887), (63, 4426038013), (111, 2512075629), (259, 1076603841), (333, 837358543), (777, 358867947), (2331, 119622649), (10331, 26990649), (11579, 24081561), (30993, 8996883), (34737, 8027187), (72317, 3855807), (81053, 3440223), (92979, 2998961), (104211, 2675729), (216951, 1285269), (243159, 1146741), (382247, 729477), (428423, 650853)]