18117351

素因数分解:

$3^5\times 7^1\times {\mathrm{10651}}^1$

素因数の和:10673

約数の個数: 24

約数和(自身を含む): 31018624

約数和(自身を除く): 12901273

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 10651, 31953, 74557, 95859, 223671, 287577, 671013, 862731, 2013039, 2588193, 6039117, 18117351]

約数ペア:

[(1, 18117351), (3, 6039117), (7, 2588193), (9, 2013039), (21, 862731), (27, 671013), (63, 287577), (81, 223671), (189, 95859), (243, 74557), (567, 31953), (1701, 10651)]