207965811

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1367}}^1$

素因数の和:1563

約数の個数: 32

約数和(自身を含む): 311247360

約数和(自身を除く): 103281549

約数列:

[1, 3, 17, 19, 51, 57, 157, 323, 471, 969, 1367, 2669, 2983, 4101, 8007, 8949, 23239, 25973, 50711, 69717, 77919, 152133, 214619, 441541, 643857, 1324623, 3648523, 4077761, 10945569, 12233283, 69321937, 207965811]

約数ペア:

[(1, 207965811), (3, 69321937), (17, 12233283), (19, 10945569), (51, 4077761), (57, 3648523), (157, 1324623), (323, 643857), (471, 441541), (969, 214619), (1367, 152133), (2669, 77919), (2983, 69717), (4101, 50711), (8007, 25973), (8949, 23239)]