18129501

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{1913}}^1$

素因数の和:1944

約数の個数: 28

約数和(自身を含む): 29288028

約数和(自身を除く): 11158527

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 1913, 3159, 5739, 9477, 17217, 24869, 51651, 74607, 154953, 223821, 464859, 671463, 1394577, 2014389, 6043167, 18129501]

約数ペア:

[(1, 18129501), (3, 6043167), (9, 2014389), (13, 1394577), (27, 671463), (39, 464859), (81, 223821), (117, 154953), (243, 74607), (351, 51651), (729, 24869), (1053, 17217), (1913, 9477), (3159, 5739)]