12686919

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 20054016

約数和(自身を除く): 7367097

約数列:

[1, 3, 7, 21, 67, 71, 127, 201, 213, 381, 469, 497, 889, 1407, 1491, 2667, 4757, 8509, 9017, 14271, 25527, 27051, 33299, 59563, 63119, 99897, 178689, 189357, 604139, 1812417, 4228973, 12686919]

約数ペア:

[(1, 12686919), (3, 4228973), (7, 1812417), (21, 604139), (67, 189357), (71, 178689), (127, 99897), (201, 63119), (213, 59563), (381, 33299), (469, 27051), (497, 25527), (889, 14271), (1407, 9017), (1491, 8509), (2667, 4757)]