2016897519

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{388837}}^1$

素因数の和:388879

約数の個数: 32

約数和(自身を含む): 3483988480

約数和(自身を除く): 1467090961

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 388837, 1166511, 2721859, 5054881, 7387903, 8165577, 15164643, 22163709, 35384167, 51715321, 96042739, 106152501, 155145963, 288128217, 672299173, 2016897519]

約数ペア:

[(1, 2016897519), (3, 672299173), (7, 288128217), (13, 155145963), (19, 106152501), (21, 96042739), (39, 51715321), (57, 35384167), (91, 22163709), (133, 15164643), (247, 8165577), (273, 7387903), (399, 5054881), (741, 2721859), (1729, 1166511), (5187, 388837)]