9901905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 18869760

約数和(自身を除く): 8967855

約数列:

[1, 3, 5, 13, 15, 17, 29, 39, 51, 65, 85, 87, 103, 145, 195, 221, 255, 309, 377, 435, 493, 515, 663, 1105, 1131, 1339, 1479, 1545, 1751, 1885, 2465, 2987, 3315, 4017, 5253, 5655, 6409, 6695, 7395, 8755, 8961, 14935, 19227, 20085, 22763, 26265, 32045, 38831, 44805, 50779, 68289, 96135, 113815, 116493, 152337, 194155, 253895, 341445, 582465, 660127, 761685, 1980381, 3300635, 9901905]

約数ペア:

[(1, 9901905), (3, 3300635), (5, 1980381), (13, 761685), (15, 660127), (17, 582465), (29, 341445), (39, 253895), (51, 194155), (65, 152337), (85, 116493), (87, 113815), (103, 96135), (145, 68289), (195, 50779), (221, 44805), (255, 38831), (309, 32045), (377, 26265), (435, 22763), (493, 20085), (515, 19227), (663, 14935), (1105, 8961), (1131, 8755), (1339, 7395), (1479, 6695), (1545, 6409), (1751, 5655), (1885, 5253), (2465, 4017), (2987, 3315)]