31287141

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{9421}}^1$

素因数の和:9474

約数の個数: 20

約数和(自身を含む): 47882604

約数和(自身を除く): 16595463

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 9421, 28263, 84789, 254367, 386261, 763101, 1158783, 3476349, 10429047, 31287141]

約数ペア:

[(1, 31287141), (3, 10429047), (9, 3476349), (27, 1158783), (41, 763101), (81, 386261), (123, 254367), (369, 84789), (1107, 28263), (3321, 9421)]