25338081

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 36443520

約数和(自身を除く): 11105439

約数列:

[1, 3, 37, 53, 59, 73, 111, 159, 177, 219, 1961, 2183, 2701, 3127, 3869, 4307, 5883, 6549, 8103, 9381, 11607, 12921, 115699, 143153, 159359, 228271, 347097, 429459, 478077, 684813, 8446027, 25338081]

約数ペア:

[(1, 25338081), (3, 8446027), (37, 684813), (53, 478077), (59, 429459), (73, 347097), (111, 228271), (159, 159359), (177, 143153), (219, 115699), (1961, 12921), (2183, 11607), (2701, 9381), (3127, 8103), (3869, 6549), (4307, 5883)]