31440519

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{28871}}^1$

素因数の和:28899

約数の個数: 18

約数和(自身を含む): 49919688

約数和(自身を除く): 18479169

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 28871, 86613, 259839, 317581, 952743, 2858229, 3493391, 10480173, 31440519]

約数ペア:

[(1, 31440519), (3, 10480173), (9, 3493391), (11, 2858229), (33, 952743), (99, 317581), (121, 259839), (363, 86613), (1089, 28871)]