28385289

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1063}}^1$

素因数の和:1138

約数の個数: 32

約数和(自身を含む): 44943360

約数和(自身を除く): 16558071

約数列:

[1, 3, 9, 23, 27, 43, 69, 129, 207, 387, 621, 989, 1063, 1161, 2967, 3189, 8901, 9567, 24449, 26703, 28701, 45709, 73347, 137127, 220041, 411381, 660123, 1051307, 1234143, 3153921, 9461763, 28385289]

約数ペア:

[(1, 28385289), (3, 9461763), (9, 3153921), (23, 1234143), (27, 1051307), (43, 660123), (69, 411381), (129, 220041), (207, 137127), (387, 73347), (621, 45709), (989, 28701), (1063, 26703), (1161, 24449), (2967, 9567), (3189, 8901)]