12821665779

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{219613}}^1$

素因数の和:220131

約数の個数: 24

約数和(自身を含む): 19984874000

約数和(自身を除く): 7163208221

約数列:

[1, 3, 9, 13, 39, 117, 499, 1497, 4491, 6487, 19461, 58383, 219613, 658839, 1976517, 2854969, 8564907, 25694721, 109586887, 328760661, 986281983, 1424629531, 4273888593, 12821665779]

約数ペア:

[(1, 12821665779), (3, 4273888593), (9, 1424629531), (13, 986281983), (39, 328760661), (117, 109586887), (499, 25694721), (1497, 8564907), (4491, 2854969), (6487, 1976517), (19461, 658839), (58383, 219613)]