388803807

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 699190272

約数和(自身を除く): 310386465

約数列:

[1, 3, 7, 9, 21, 27, 37, 43, 63, 81, 111, 129, 189, 259, 301, 333, 387, 431, 567, 777, 903, 999, 1161, 1293, 1591, 2331, 2709, 2997, 3017, 3483, 3879, 4773, 6993, 8127, 9051, 11137, 11637, 14319, 15947, 18533, 20979, 24381, 27153, 33411, 34911, 42957, 47841, 55599, 81459, 100233, 111629, 128871, 129731, 143523, 166797, 244377, 300699, 334887, 389193, 430569, 500391, 685721, 902097, 1004661, 1167579, 1291707, 1501173, 2057163, 3013983, 3502737, 4800047, 6171489, 9041949, 10508211, 14400141, 18514467, 43200423, 55543401, 129601269, 388803807]

約数ペア:

[(1, 388803807), (3, 129601269), (7, 55543401), (9, 43200423), (21, 18514467), (27, 14400141), (37, 10508211), (43, 9041949), (63, 6171489), (81, 4800047), (111, 3502737), (129, 3013983), (189, 2057163), (259, 1501173), (301, 1291707), (333, 1167579), (387, 1004661), (431, 902097), (567, 685721), (777, 500391), (903, 430569), (999, 389193), (1161, 334887), (1293, 300699), (1591, 244377), (2331, 166797), (2709, 143523), (2997, 129731), (3017, 128871), (3483, 111629), (3879, 100233), (4773, 81459), (6993, 55599), (8127, 47841), (9051, 42957), (11137, 34911), (11637, 33411), (14319, 27153), (15947, 24381), (18533, 20979)]