210888975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2389}}^1$

素因数の和:2520

約数の個数: 48

約数和(自身を含む): 384082560

約数和(自身を除く): 173193585

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 107, 165, 275, 321, 535, 825, 1177, 1605, 2389, 2675, 3531, 5885, 7167, 8025, 11945, 17655, 26279, 29425, 35835, 59725, 78837, 88275, 131395, 179175, 255623, 394185, 656975, 766869, 1278115, 1970925, 2811853, 3834345, 6390575, 8435559, 14059265, 19171725, 42177795, 70296325, 210888975]

約数ペア:

[(1, 210888975), (3, 70296325), (5, 42177795), (11, 19171725), (15, 14059265), (25, 8435559), (33, 6390575), (55, 3834345), (75, 2811853), (107, 1970925), (165, 1278115), (275, 766869), (321, 656975), (535, 394185), (825, 255623), (1177, 179175), (1605, 131395), (2389, 88275), (2675, 78837), (3531, 59725), (5885, 35835), (7167, 29425), (8025, 26279), (11945, 17655)]