12842949

素因数分解:

$3^1\times 7^4\times {\mathrm{1783}}^1$

素因数の和:1814

約数の個数: 20

約数和(自身を含む): 19987936

約数和(自身を除く): 7144987

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1783, 2401, 5349, 7203, 12481, 37443, 87367, 262101, 611569, 1834707, 4280983, 12842949]

約数ペア:

[(1, 12842949), (3, 4280983), (7, 1834707), (21, 611569), (49, 262101), (147, 87367), (343, 37443), (1029, 12481), (1783, 7203), (2401, 5349)]