2021547519

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{41131}}^1$

素因数の和:41307

約数の個数: 24

約数和(自身を含む): 3011520512

約数和(自身を除く): 989972993

約数列:

[1, 3, 9, 43, 127, 129, 381, 387, 1143, 5461, 16383, 41131, 49149, 123393, 370179, 1768633, 5223637, 5305899, 15670911, 15917697, 47012733, 224616391, 673849173, 2021547519]

約数ペア:

[(1, 2021547519), (3, 673849173), (9, 224616391), (43, 47012733), (127, 15917697), (129, 15670911), (381, 5305899), (387, 5223637), (1143, 1768633), (5461, 370179), (16383, 123393), (41131, 49149)]