12809727

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:988

約数の個数: 36

約数和(自身を含む): 22241856

約数和(自身を除く): 9432129

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 217, 279, 441, 651, 937, 1519, 1953, 2811, 4557, 6559, 8433, 13671, 19677, 29047, 45913, 59031, 87141, 137739, 203329, 261423, 413217, 609987, 1423303, 1829961, 4269909, 12809727]

約数ペア:

[(1, 12809727), (3, 4269909), (7, 1829961), (9, 1423303), (21, 609987), (31, 413217), (49, 261423), (63, 203329), (93, 137739), (147, 87141), (217, 59031), (279, 45913), (441, 29047), (651, 19677), (937, 13671), (1519, 8433), (1953, 6559), (2811, 4557)]