31026807

素因数分解:

$3^4\times 7^1\times {\mathrm{54721}}^1$

素因数の和:54740

約数の個数: 20

約数和(自身を含む): 52970896

約数和(自身を除く): 21944089

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 54721, 164163, 383047, 492489, 1149141, 1477467, 3447423, 4432401, 10342269, 31026807]

約数ペア:

[(1, 31026807), (3, 10342269), (7, 4432401), (9, 3447423), (21, 1477467), (27, 1149141), (63, 492489), (81, 383047), (189, 164163), (567, 54721)]