78628239

素因数分解:

$3^5\times {\mathrm{223}}^1\times {\mathrm{1451}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 118390272

約数和(自身を除く): 39762033

約数列:

[1, 3, 9, 27, 81, 223, 243, 669, 1451, 2007, 4353, 6021, 13059, 18063, 39177, 54189, 117531, 323573, 352593, 970719, 2912157, 8736471, 26209413, 78628239]

約数ペア:

[(1, 78628239), (3, 26209413), (9, 8736471), (27, 2912157), (81, 970719), (223, 352593), (243, 323573), (669, 117531), (1451, 54189), (2007, 39177), (4353, 18063), (6021, 13059)]