2748505599

素因数分解:

$3^2\times 7^2\times {\mathrm{6232439}}^1$

素因数の和:6232459

約数の個数: 18

約数和(自身を含む): 4618238040

約数和(自身を除く): 1869732441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 6232439, 18697317, 43627073, 56091951, 130881219, 305389511, 392643657, 916168533, 2748505599]

約数ペア:

[(1, 2748505599), (3, 916168533), (7, 392643657), (9, 305389511), (21, 130881219), (49, 56091951), (63, 43627073), (147, 18697317), (441, 6232439)]