13721547

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{28409}}^1$

素因数の和:28442

約数の個数: 16

約数和(自身を含む): 21818880

約数和(自身を除く): 8097333

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 28409, 85227, 198863, 596589, 653407, 1960221, 4573849, 13721547]

約数ペア:

[(1, 13721547), (3, 4573849), (7, 1960221), (21, 653407), (23, 596589), (69, 198863), (161, 85227), (483, 28409)]