2031309

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1697}}^1$

素因数の和:1729

約数の個数: 24

約数和(自身を含む): 3531840

約数和(自身を除く): 1500531

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 1697, 5091, 11879, 15273, 32243, 35637, 96729, 106911, 225701, 290187, 677103, 2031309]

約数ペア:

[(1, 2031309), (3, 677103), (7, 290187), (9, 225701), (19, 106911), (21, 96729), (57, 35637), (63, 32243), (133, 15273), (171, 11879), (399, 5091), (1197, 1697)]