280589373

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{146369}}^1$

素因数の和:146449

約数の個数: 16

約数和(自身を含む): 421545600

約数和(自身を除く): 140956227

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 146369, 439107, 1317321, 3951963, 10392199, 31176597, 93529791, 280589373]

約数ペア:

[(1, 280589373), (3, 93529791), (9, 31176597), (27, 10392199), (71, 3951963), (213, 1317321), (639, 439107), (1917, 146369)]