81771201

素因数分解:

$3^6\times {\mathrm{223}}^1\times {\mathrm{503}}^1$

素因数の和:744

約数の個数: 28

約数和(自身を含む): 123395328

約数和(自身を除く): 41624127

約数列:

[1, 3, 9, 27, 81, 223, 243, 503, 669, 729, 1509, 2007, 4527, 6021, 13581, 18063, 40743, 54189, 112169, 122229, 162567, 336507, 366687, 1009521, 3028563, 9085689, 27257067, 81771201]

約数ペア:

[(1, 81771201), (3, 27257067), (9, 9085689), (27, 3028563), (81, 1009521), (223, 366687), (243, 336507), (503, 162567), (669, 122229), (729, 112169), (1509, 54189), (2007, 40743), (4527, 18063), (6021, 13581)]