201557727

素因数分解:

$3^4\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1181}}^1$

素因数の和:1250

約数の個数: 60

約数和(自身を含む): 358699176

約数和(自身を除く): 157141449

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 81, 129, 147, 189, 301, 387, 441, 567, 903, 1161, 1181, 1323, 2107, 2709, 3483, 3543, 3969, 6321, 8127, 8267, 10629, 18963, 24381, 24801, 31887, 50783, 56889, 57869, 74403, 95661, 152349, 170667, 173607, 223209, 355481, 457047, 520821, 669627, 1066443, 1371141, 1562463, 2488367, 3199329, 4113423, 4687389, 7465101, 9597987, 22395303, 28793961, 67185909, 201557727]

約数ペア:

[(1, 201557727), (3, 67185909), (7, 28793961), (9, 22395303), (21, 9597987), (27, 7465101), (43, 4687389), (49, 4113423), (63, 3199329), (81, 2488367), (129, 1562463), (147, 1371141), (189, 1066443), (301, 669627), (387, 520821), (441, 457047), (567, 355481), (903, 223209), (1161, 173607), (1181, 170667), (1323, 152349), (2107, 95661), (2709, 74403), (3483, 57869), (3543, 56889), (3969, 50783), (6321, 31887), (8127, 24801), (8267, 24381), (10629, 18963)]