16528161

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 24772608

約数和(自身を除く): 8244447

約数列:

[1, 3, 13, 39, 47, 71, 127, 141, 213, 381, 611, 923, 1651, 1833, 2769, 3337, 4953, 5969, 9017, 10011, 17907, 27051, 43381, 77597, 117221, 130143, 232791, 351663, 423799, 1271397, 5509387, 16528161]

約数ペア:

[(1, 16528161), (3, 5509387), (13, 1271397), (39, 423799), (47, 351663), (71, 232791), (127, 130143), (141, 117221), (213, 77597), (381, 43381), (611, 27051), (923, 17907), (1651, 10011), (1833, 9017), (2769, 5969), (3337, 4953)]