6981009

素因数分解:

$3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{829}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 10677120

約数和(自身を除く): 3696111

約数列:

[1, 3, 7, 21, 401, 829, 1203, 2487, 2807, 5803, 8421, 17409, 332429, 997287, 2327003, 6981009]

約数ペア:

[(1, 6981009), (3, 2327003), (7, 997287), (21, 332429), (401, 17409), (829, 8421), (1203, 5803), (2487, 2807)]