2000854989

素因数分解:

$3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{79999}}^1$

素因数の和:80409

約数の個数: 24

約数和(自身を含む): 3311360000

約数和(自身を除く): 1310505011

約数列:

[1, 3, 7, 9, 21, 63, 397, 1191, 2779, 3573, 8337, 25011, 79999, 239997, 559993, 719991, 1679979, 5039937, 31759603, 95278809, 222317221, 285836427, 666951663, 2000854989]

約数ペア:

[(1, 2000854989), (3, 666951663), (7, 285836427), (9, 222317221), (21, 95278809), (63, 31759603), (397, 5039937), (1191, 1679979), (2779, 719991), (3573, 559993), (8337, 239997), (25011, 79999)]