82181745

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{347}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 150920640

約数和(自身を除く): 68738895

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 277, 285, 347, 831, 855, 1041, 1385, 1735, 2493, 3123, 4155, 5205, 5263, 6593, 12465, 15615, 15789, 19779, 26315, 32965, 47367, 59337, 78945, 96119, 98895, 236835, 288357, 296685, 480595, 865071, 1441785, 1826261, 4325355, 5478783, 9131305, 16436349, 27393915, 82181745]

約数ペア:

[(1, 82181745), (3, 27393915), (5, 16436349), (9, 9131305), (15, 5478783), (19, 4325355), (45, 1826261), (57, 1441785), (95, 865071), (171, 480595), (277, 296685), (285, 288357), (347, 236835), (831, 98895), (855, 96119), (1041, 78945), (1385, 59337), (1735, 47367), (2493, 32965), (3123, 26315), (4155, 19779), (5205, 15789), (5263, 15615), (6593, 12465)]