520055559

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{108821}}^1$

素因数の和:108892

約数の個数: 20

約数和(自身を含む): 790047720

約数和(自身を除く): 269992161

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 108821, 326463, 979389, 2938167, 6420439, 8814501, 19261317, 57783951, 173351853, 520055559]

約数ペア:

[(1, 520055559), (3, 173351853), (9, 57783951), (27, 19261317), (59, 8814501), (81, 6420439), (177, 2938167), (531, 979389), (1593, 326463), (4779, 108821)]