1261647807

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1\times {\mathrm{1279}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 1946419200

約数和(自身を除く): 684771393

約数列:

[1, 3, 7, 21, 107, 321, 439, 749, 1279, 1317, 2247, 3073, 3837, 8953, 9219, 26859, 46973, 136853, 140919, 328811, 410559, 561481, 957971, 986433, 1684443, 2873913, 3930367, 11791101, 60078467, 180235401, 420549269, 1261647807]

約数ペア:

[(1, 1261647807), (3, 420549269), (7, 180235401), (21, 60078467), (107, 11791101), (321, 3930367), (439, 2873913), (749, 1684443), (1279, 986433), (1317, 957971), (2247, 561481), (3073, 410559), (3837, 328811), (8953, 140919), (9219, 136853), (26859, 46973)]