13871439

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:716

約数の個数: 32

約数和(自身を含む): 22256640

約数和(自身を除く): 8385201

約数列:

[1, 3, 9, 17, 27, 47, 51, 141, 153, 423, 459, 643, 799, 1269, 1929, 2397, 5787, 7191, 10931, 17361, 21573, 30221, 32793, 90663, 98379, 271989, 295137, 513757, 815967, 1541271, 4623813, 13871439]

約数ペア:

[(1, 13871439), (3, 4623813), (9, 1541271), (17, 815967), (27, 513757), (47, 295137), (51, 271989), (141, 98379), (153, 90663), (423, 32793), (459, 30221), (643, 21573), (799, 17361), (1269, 10931), (1929, 7191), (2397, 5787)]