66961725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1811}}^1$

素因数の和:1870

約数の個数: 48

約数和(自身を含む): 121331520

約数和(自身を除く): 54369795

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 75, 85, 87, 145, 255, 425, 435, 493, 725, 1275, 1479, 1811, 2175, 2465, 5433, 7395, 9055, 12325, 27165, 30787, 36975, 45275, 52519, 92361, 135825, 153935, 157557, 262595, 461805, 769675, 787785, 892823, 1312975, 2309025, 2678469, 3938925, 4464115, 13392345, 22320575, 66961725]

約数ペア:

[(1, 66961725), (3, 22320575), (5, 13392345), (15, 4464115), (17, 3938925), (25, 2678469), (29, 2309025), (51, 1312975), (75, 892823), (85, 787785), (87, 769675), (145, 461805), (255, 262595), (425, 157557), (435, 153935), (493, 135825), (725, 92361), (1275, 52519), (1479, 45275), (1811, 36975), (2175, 30787), (2465, 27165), (5433, 12325), (7395, 9055)]