1389843

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1697}}^1$

素因数の和:1723

約数の個数: 24

約数和(自身を含む): 2472288

約数和(自身を除く): 1082445

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 1697, 5091, 11879, 15273, 22061, 35637, 66183, 106911, 154427, 198549, 463281, 1389843]

約数ペア:

[(1, 1389843), (3, 463281), (7, 198549), (9, 154427), (13, 106911), (21, 66183), (39, 35637), (63, 22061), (91, 15273), (117, 11879), (273, 5091), (819, 1697)]