1289661807

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{777373}}^1$

素因数の和:777462

約数の個数: 16

約数和(自身を含む): 1990077440

約数和(自身を除く): 700415633

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 777373, 2332119, 5441611, 16324833, 61412467, 184237401, 429887269, 1289661807]

約数ペア:

[(1, 1289661807), (3, 429887269), (7, 184237401), (21, 61412467), (79, 16324833), (237, 5441611), (553, 2332119), (1659, 777373)]