13925541

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21391}}^1$

素因数の和:21432

約数の個数: 16

約数和(自身を含む): 21905408

約数和(自身を除く): 7979867

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 21391, 64173, 149737, 449211, 663121, 1989363, 4641847, 13925541]

約数ペア:

[(1, 13925541), (3, 4641847), (7, 1989363), (21, 663121), (31, 449211), (93, 149737), (217, 64173), (651, 21391)]