1291245291

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{191551}}^1$

素因数の和:191671

約数の個数: 24

約数和(自身を含む): 2151512064

約数和(自身を除く): 860266773

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 6741, 191551, 574653, 1340857, 1723959, 4022571, 12067713, 20495957, 61487871, 143471699, 184463613, 430415097, 1291245291]

約数ペア:

[(1, 1291245291), (3, 430415097), (7, 184463613), (9, 143471699), (21, 61487871), (63, 20495957), (107, 12067713), (321, 4022571), (749, 1723959), (963, 1340857), (2247, 574653), (6741, 191551)]