919948401

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{642871}}^1$

素因数の和:642933

約数の個数: 16

約数和(自身を含む): 1388603520

約数和(自身を除く): 468655119

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 642871, 1928613, 5785839, 17357517, 34072163, 102216489, 306649467, 919948401]

約数ペア:

[(1, 919948401), (3, 306649467), (9, 102216489), (27, 34072163), (53, 17357517), (159, 5785839), (477, 1928613), (1431, 642871)]