61711275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1669}}^1$

素因数の和:1728

約数の個数: 48

約数和(自身を含む): 111823200

約数和(自身を除く): 50111925

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 75, 85, 87, 145, 255, 425, 435, 493, 725, 1275, 1479, 1669, 2175, 2465, 5007, 7395, 8345, 12325, 25035, 28373, 36975, 41725, 48401, 85119, 125175, 141865, 145203, 242005, 425595, 709325, 726015, 822817, 1210025, 2127975, 2468451, 3630075, 4114085, 12342255, 20570425, 61711275]

約数ペア:

[(1, 61711275), (3, 20570425), (5, 12342255), (15, 4114085), (17, 3630075), (25, 2468451), (29, 2127975), (51, 1210025), (75, 822817), (85, 726015), (87, 709325), (145, 425595), (255, 242005), (425, 145203), (435, 141865), (493, 125175), (725, 85119), (1275, 48401), (1479, 41725), (1669, 36975), (2175, 28373), (2465, 25035), (5007, 12325), (7395, 8345)]