20171211

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{2251}}^1$

素因数の和:2386

約数の個数: 16

約数和(自身を含む): 28104960

約数和(自身を除く): 7933749

約数列:

[1, 3, 29, 87, 103, 309, 2251, 2987, 6753, 8961, 65279, 195837, 231853, 695559, 6723737, 20171211]

約数ペア:

[(1, 20171211), (3, 6723737), (29, 695559), (87, 231853), (103, 195837), (309, 65279), (2251, 8961), (2987, 6753)]