81756234

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{648859}}^1$

素因数の和:648874

約数の個数: 24

約数和(自身を含む): 202444320

約数和(自身を除く): 120688086

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 648859, 1297718, 1946577, 3893154, 4542013, 5839731, 9084026, 11679462, 13626039, 27252078, 40878117, 81756234]

約数ペア:

[(1, 81756234), (2, 40878117), (3, 27252078), (6, 13626039), (7, 11679462), (9, 9084026), (14, 5839731), (18, 4542013), (21, 3893154), (42, 1946577), (63, 1297718), (126, 648859)]