209539725

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{821}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 359601984

約数和(自身を除く): 150062259

約数列:

[1, 3, 5, 15, 25, 41, 75, 83, 123, 205, 249, 415, 615, 821, 1025, 1245, 2075, 2463, 3075, 3403, 4105, 6225, 10209, 12315, 17015, 20525, 33661, 51045, 61575, 68143, 85075, 100983, 168305, 204429, 255225, 340715, 504915, 841525, 1022145, 1703575, 2524575, 2793863, 5110725, 8381589, 13969315, 41907945, 69846575, 209539725]

約数ペア:

[(1, 209539725), (3, 69846575), (5, 41907945), (15, 13969315), (25, 8381589), (41, 5110725), (75, 2793863), (83, 2524575), (123, 1703575), (205, 1022145), (249, 841525), (415, 504915), (615, 340715), (821, 255225), (1025, 204429), (1245, 168305), (2075, 100983), (2463, 85075), (3075, 68143), (3403, 61575), (4105, 51045), (6225, 33661), (10209, 20525), (12315, 17015)]