1644647517

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{771049}}^1$

素因数の和:771137

約数の個数: 16

約数和(自身を含む): 2467360000

約数和(自身を除く): 822712483

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 771049, 2313147, 6939441, 20818323, 60912871, 182738613, 548215839, 1644647517]

約数ペア:

[(1, 1644647517), (3, 548215839), (9, 182738613), (27, 60912871), (79, 20818323), (237, 6939441), (711, 2313147), (2133, 771049)]