81905256

素因数分解:

$2^3\times 3^4\times {\mathrm{126397}}^1$

素因数の和:126415

約数の個数: 40

約数和(自身を含む): 229412370

約数和(自身を除く): 147507114

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 126397, 252794, 379191, 505588, 758382, 1011176, 1137573, 1516764, 2275146, 3033528, 3412719, 4550292, 6825438, 9100584, 10238157, 13650876, 20476314, 27301752, 40952628, 81905256]

約数ペア:

[(1, 81905256), (2, 40952628), (3, 27301752), (4, 20476314), (6, 13650876), (8, 10238157), (9, 9100584), (12, 6825438), (18, 4550292), (24, 3412719), (27, 3033528), (36, 2275146), (54, 1516764), (72, 1137573), (81, 1011176), (108, 758382), (162, 505588), (216, 379191), (324, 252794), (648, 126397)]