3885686721

素因数分解:

$3^4\times 7^2\times {\mathrm{979009}}^1$

素因数の和:979035

約数の個数: 30

約数和(自身を含む): 6752231970

約数和(自身を除く): 2866545249

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 979009, 2937027, 6853063, 8811081, 20559189, 26433243, 47971441, 61677567, 79299729, 143914323, 185032701, 431742969, 555098103, 1295228907, 3885686721]

約数ペア:

[(1, 3885686721), (3, 1295228907), (7, 555098103), (9, 431742969), (21, 185032701), (27, 143914323), (49, 79299729), (63, 61677567), (81, 47971441), (147, 26433243), (189, 20559189), (441, 8811081), (567, 6853063), (1323, 2937027), (3969, 979009)]