1388216421

素因数分解:

$3^3\times {\mathrm{179}}^1\times {\mathrm{287237}}^1$

素因数の和:287425

約数の個数: 16

約数和(自身を含む): 2068113600

約数和(自身を除く): 679897179

約数列:

[1, 3, 9, 27, 179, 537, 1611, 4833, 287237, 861711, 2585133, 7755399, 51415423, 154246269, 462738807, 1388216421]

約数ペア:

[(1, 1388216421), (3, 462738807), (9, 154246269), (27, 51415423), (179, 7755399), (537, 2585133), (1611, 861711), (4833, 287237)]