15981231

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3863}}^1$

素因数の和:4070

約数の個数: 16

約数和(自身を含む): 24482304

約数和(自身を除く): 8501073

約数列:

[1, 3, 7, 21, 197, 591, 1379, 3863, 4137, 11589, 27041, 81123, 761011, 2283033, 5327077, 15981231]

約数ペア:

[(1, 15981231), (3, 5327077), (7, 2283033), (21, 761011), (197, 81123), (591, 27041), (1379, 11589), (3863, 4137)]