42257019

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2887}}^1$

素因数の和:2955

約数の個数: 32

約数和(自身を含む): 69866496

約数和(自身を除く): 27609477

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 2091, 2887, 4879, 8661, 14637, 20209, 49079, 60627, 118367, 147237, 343553, 355101, 828569, 1030659, 2012239, 2485707, 6036717, 14085673, 42257019]

約数ペア:

[(1, 42257019), (3, 14085673), (7, 6036717), (17, 2485707), (21, 2012239), (41, 1030659), (51, 828569), (119, 355101), (123, 343553), (287, 147237), (357, 118367), (697, 60627), (861, 49079), (2091, 20209), (2887, 14637), (4879, 8661)]