2139039

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1787}}^1$

素因数の和:1819

約数の個数: 24

約数和(自身を含む): 3719040

約数和(自身を除く): 1580001

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 1787, 5361, 12509, 16083, 33953, 37527, 101859, 112581, 237671, 305577, 713013, 2139039]

約数ペア:

[(1, 2139039), (3, 713013), (7, 305577), (9, 237671), (19, 112581), (21, 101859), (57, 37527), (63, 33953), (133, 16083), (171, 12509), (399, 5361), (1197, 1787)]