81749196

素因数分解:

$2^2\times 3^3\times {\mathrm{73}}^1\times {\mathrm{10369}}^1$

素因数の和:10455

約数の個数: 48

約数和(自身を含む): 214866400

約数和(自身を除く): 133117204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 108, 146, 219, 292, 438, 657, 876, 1314, 1971, 2628, 3942, 7884, 10369, 20738, 31107, 41476, 62214, 93321, 124428, 186642, 279963, 373284, 559926, 756937, 1119852, 1513874, 2270811, 3027748, 4541622, 6812433, 9083244, 13624866, 20437299, 27249732, 40874598, 81749196]

約数ペア:

[(1, 81749196), (2, 40874598), (3, 27249732), (4, 20437299), (6, 13624866), (9, 9083244), (12, 6812433), (18, 4541622), (27, 3027748), (36, 2270811), (54, 1513874), (73, 1119852), (108, 756937), (146, 559926), (219, 373284), (292, 279963), (438, 186642), (657, 124428), (876, 93321), (1314, 62214), (1971, 41476), (2628, 31107), (3942, 20738), (7884, 10369)]