13187391

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7949}}^1$

素因数の和:8038

約数の個数: 16

約数和(自身を含む): 20352000

約数和(自身を除く): 7164609

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 7949, 23847, 55643, 166929, 627971, 1883913, 4395797, 13187391]

約数ペア:

[(1, 13187391), (3, 4395797), (7, 1883913), (21, 627971), (79, 166929), (237, 55643), (553, 23847), (1659, 7949)]