257910361641

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:891

約数の個数: 96

約数和(自身を含む): 394544037888

約数和(自身を除く): 136633676247

約数列:

[1, 3, 9, 43, 47, 129, 141, 167, 197, 387, 423, 431, 501, 591, 1293, 1503, 1773, 2021, 3879, 6063, 7181, 7849, 8471, 9259, 18189, 18533, 20257, 21543, 23547, 25413, 27777, 32899, 55599, 60771, 64629, 70641, 71977, 76239, 83331, 84907, 98697, 166797, 182313, 215931, 254721, 296091, 337507, 398137, 647793, 764163, 871051, 1012521, 1194411, 1414657, 1546253, 2613153, 3037563, 3095011, 3382919, 3583233, 3651001, 3990629, 4243971, 4638759, 7839459, 9285033, 10148757, 10953003, 11971887, 12731913, 13916277, 14179469, 27855099, 30446271, 32859009, 35915661, 42538407, 66488879, 127615221, 145465517, 171597047, 199466637, 436396551, 514791141, 598399911, 609717167, 666435043, 1309189653, 1544373423, 1829151501, 1999305129, 5487454503, 5997915387, 28656706849, 85970120547, 257910361641]

約数ペア:

[(1, 257910361641), (3, 85970120547), (9, 28656706849), (43, 5997915387), (47, 5487454503), (129, 1999305129), (141, 1829151501), (167, 1544373423), (197, 1309189653), (387, 666435043), (423, 609717167), (431, 598399911), (501, 514791141), (591, 436396551), (1293, 199466637), (1503, 171597047), (1773, 145465517), (2021, 127615221), (3879, 66488879), (6063, 42538407), (7181, 35915661), (7849, 32859009), (8471, 30446271), (9259, 27855099), (18189, 14179469), (18533, 13916277), (20257, 12731913), (21543, 11971887), (23547, 10953003), (25413, 10148757), (27777, 9285033), (32899, 7839459), (55599, 4638759), (60771, 4243971), (64629, 3990629), (70641, 3651001), (71977, 3583233), (76239, 3382919), (83331, 3095011), (84907, 3037563), (98697, 2613153), (166797, 1546253), (182313, 1414657), (215931, 1194411), (254721, 1012521), (296091, 871051), (337507, 764163), (398137, 647793)]