16728579

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1451}}^1$

素因数の和:1528

約数の個数: 32

約数和(自身を含む): 28807680

約数和(自身を除く): 12079101

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 427, 549, 1281, 1451, 1647, 3843, 4353, 10157, 11529, 13059, 30471, 39177, 88511, 91413, 265533, 274239, 619577, 796599, 1858731, 2389797, 5576193, 16728579]

約数ペア:

[(1, 16728579), (3, 5576193), (7, 2389797), (9, 1858731), (21, 796599), (27, 619577), (61, 274239), (63, 265533), (183, 91413), (189, 88511), (427, 39177), (549, 30471), (1281, 13059), (1451, 11529), (1647, 10157), (3843, 4353)]