179916957

素因数分解:

$3^5\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 307900320

約数和(自身を除く): 127983363

約数列:

[1, 3, 9, 11, 27, 29, 33, 81, 87, 99, 121, 211, 243, 261, 297, 319, 363, 633, 783, 891, 957, 1089, 1899, 2321, 2349, 2673, 2871, 3267, 3509, 5697, 6119, 6963, 7047, 8613, 9801, 10527, 17091, 18357, 20889, 25531, 25839, 29403, 31581, 51273, 55071, 62667, 67309, 76593, 77517, 94743, 165213, 188001, 201927, 229779, 284229, 495639, 564003, 605781, 689337, 740399, 852687, 1486917, 1817343, 2068011, 2221197, 5452029, 6204033, 6663591, 16356087, 19990773, 59972319, 179916957]

約数ペア:

[(1, 179916957), (3, 59972319), (9, 19990773), (11, 16356087), (27, 6663591), (29, 6204033), (33, 5452029), (81, 2221197), (87, 2068011), (99, 1817343), (121, 1486917), (211, 852687), (243, 740399), (261, 689337), (297, 605781), (319, 564003), (363, 495639), (633, 284229), (783, 229779), (891, 201927), (957, 188001), (1089, 165213), (1899, 94743), (2321, 77517), (2349, 76593), (2673, 67309), (2871, 62667), (3267, 55071), (3509, 51273), (5697, 31581), (6119, 29403), (6963, 25839), (7047, 25531), (8613, 20889), (9801, 18357), (10527, 17091)]