27725025

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 48024704

約数和(自身を除く): 20299679

約数列:

[1, 3, 5, 15, 25, 37, 75, 97, 103, 111, 185, 291, 309, 485, 515, 555, 925, 1455, 1545, 2425, 2575, 2775, 3589, 3811, 7275, 7725, 9991, 10767, 11433, 17945, 19055, 29973, 49955, 53835, 57165, 89725, 95275, 149865, 249775, 269175, 285825, 369667, 749325, 1109001, 1848335, 5545005, 9241675, 27725025]

約数ペア:

[(1, 27725025), (3, 9241675), (5, 5545005), (15, 1848335), (25, 1109001), (37, 749325), (75, 369667), (97, 285825), (103, 269175), (111, 249775), (185, 149865), (291, 95275), (309, 89725), (485, 57165), (515, 53835), (555, 49955), (925, 29973), (1455, 19055), (1545, 17945), (2425, 11433), (2575, 10767), (2775, 9991), (3589, 7725), (3811, 7275)]