20161120329

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6808889}}^1$

素因数の和:6808949

約数の個数: 24

約数和(自身を含む): 33989978880

約数和(自身を除く): 13828858551

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6808889, 20426667, 47662223, 61280001, 142986669, 320017783, 428960007, 960053349, 2240124481, 2880160047, 6720373443, 20161120329]

約数ペア:

[(1, 20161120329), (3, 6720373443), (7, 2880160047), (9, 2240124481), (21, 960053349), (47, 428960007), (63, 320017783), (141, 142986669), (329, 61280001), (423, 47662223), (987, 20426667), (2961, 6808889)]