1281501

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{1217}}^1$

素因数の和:1242

約数の個数: 20

約数和(自身を含む): 2063292

約数和(自身を除く): 781791

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 1217, 3651, 10953, 15821, 32859, 47463, 98577, 142389, 427167, 1281501]

約数ペア:

[(1, 1281501), (3, 427167), (9, 142389), (13, 98577), (27, 47463), (39, 32859), (81, 15821), (117, 10953), (351, 3651), (1053, 1217)]