128573703

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 221875200

約数和(自身を除く): 93301497

約数列:

[1, 3, 9, 17, 19, 23, 27, 51, 57, 69, 153, 171, 207, 323, 391, 437, 459, 513, 621, 641, 969, 1173, 1311, 1923, 2907, 3519, 3933, 5769, 7429, 8721, 10557, 10897, 11799, 12179, 14743, 17307, 22287, 32691, 36537, 44229, 66861, 98073, 109611, 132687, 200583, 207043, 250631, 280117, 294219, 328833, 398061, 621129, 751893, 840351, 1863387, 2255679, 2521053, 4761989, 5590161, 6767037, 7563159, 14285967, 42857901, 128573703]

約数ペア:

[(1, 128573703), (3, 42857901), (9, 14285967), (17, 7563159), (19, 6767037), (23, 5590161), (27, 4761989), (51, 2521053), (57, 2255679), (69, 1863387), (153, 840351), (171, 751893), (207, 621129), (323, 398061), (391, 328833), (437, 294219), (459, 280117), (513, 250631), (621, 207043), (641, 200583), (969, 132687), (1173, 109611), (1311, 98073), (1923, 66861), (2907, 44229), (3519, 36537), (3933, 32691), (5769, 22287), (7429, 17307), (8721, 14743), (10557, 12179), (10897, 11799)]