6980001

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 10954944

約数和(自身を除く): 3974943

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 461, 721, 1383, 2163, 3227, 5047, 9681, 15141, 22589, 47483, 67767, 142449, 332381, 997143, 2326667, 6980001]

約数ペア:

[(1, 6980001), (3, 2326667), (7, 997143), (21, 332381), (49, 142449), (103, 67767), (147, 47483), (309, 22589), (461, 15141), (721, 9681), (1383, 5047), (2163, 3227)]