16981251

素因数分解:

$3^1\times 7^1\times {\mathrm{863}}^1\times {\mathrm{937}}^1$

素因数の和:1810

約数の個数: 16

約数和(自身を含む): 25933824

約数和(自身を除く): 8952573

約数列:

[1, 3, 7, 21, 863, 937, 2589, 2811, 6041, 6559, 18123, 19677, 808631, 2425893, 5660417, 16981251]

約数ペア:

[(1, 16981251), (3, 5660417), (7, 2425893), (21, 808631), (863, 19677), (937, 18123), (2589, 6559), (2811, 6041)]