28030023

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3449}}^1$

素因数の和:3508

約数の個数: 32

約数和(自身を含む): 48576000

約数和(自身を除く): 20545977

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 3449, 8127, 10347, 24143, 31041, 72429, 93123, 148307, 217287, 444921, 651861, 1038149, 1334763, 3114447, 4004289, 9343341, 28030023]

約数ペア:

[(1, 28030023), (3, 9343341), (7, 4004289), (9, 3114447), (21, 1334763), (27, 1038149), (43, 651861), (63, 444921), (129, 217287), (189, 148307), (301, 93123), (387, 72429), (903, 31041), (1161, 24143), (2709, 10347), (3449, 8127)]