121490649

素因数分解:

$3^2\times 7^2\times {\mathrm{275489}}^1$

素因数の和:275509

約数の個数: 18

約数和(自身を含む): 204138090

約数和(自身を除く): 82647441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 275489, 826467, 1928423, 2479401, 5785269, 13498961, 17355807, 40496883, 121490649]

約数ペア:

[(1, 121490649), (3, 40496883), (7, 17355807), (9, 13498961), (21, 5785269), (49, 2479401), (63, 1928423), (147, 826467), (441, 275489)]