28436373

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3499}}^1$

素因数の和:3558

約数の個数: 32

約数和(自身を含む): 49280000

約数和(自身を除く): 20843627

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 3499, 8127, 10497, 24493, 31491, 73479, 94473, 150457, 220437, 451371, 661311, 1053199, 1354113, 3159597, 4062339, 9478791, 28436373]

約数ペア:

[(1, 28436373), (3, 9478791), (7, 4062339), (9, 3159597), (21, 1354113), (27, 1053199), (43, 661311), (63, 451371), (129, 220437), (189, 150457), (301, 94473), (387, 73479), (903, 31491), (1161, 24493), (2709, 10497), (3499, 8127)]