128704527

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{12689}}^1$

素因数の和:12732

約数の個数: 36

約数和(自身を含む): 225678960

約数和(自身を除く): 96974433

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 3381, 10143, 12689, 38067, 88823, 114201, 266469, 291847, 621761, 799407, 875541, 1865283, 2042929, 2626623, 5595849, 6128787, 14300503, 18386361, 42901509, 128704527]

約数ペア:

[(1, 128704527), (3, 42901509), (7, 18386361), (9, 14300503), (21, 6128787), (23, 5595849), (49, 2626623), (63, 2042929), (69, 1865283), (147, 875541), (161, 799407), (207, 621761), (441, 291847), (483, 266469), (1127, 114201), (1449, 88823), (3381, 38067), (10143, 12689)]