1287027

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:703

約数の個数: 24

約数和(自身を含む): 2196480

約数和(自身を除く): 909453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 659, 1953, 1977, 4613, 5931, 13839, 20429, 41517, 61287, 143003, 183861, 429009, 1287027]

約数ペア:

[(1, 1287027), (3, 429009), (7, 183861), (9, 143003), (21, 61287), (31, 41517), (63, 20429), (93, 13839), (217, 5931), (279, 4613), (651, 1977), (659, 1953)]