1261963479

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{458729}}^1$

素因数の和:458870

約数の個数: 16

約数和(自身を含む): 1937675520

約数和(自身を除く): 675712041

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 458729, 1376187, 3211103, 9633309, 60093499, 180280497, 420654493, 1261963479]

約数ペア:

[(1, 1261963479), (3, 420654493), (7, 180280497), (21, 60093499), (131, 9633309), (393, 3211103), (917, 1376187), (2751, 458729)]