251012547

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{619}}^1\times {\mathrm{653}}^1$

素因数の和:1304

約数の個数: 32

約数和(自身を含む): 389260800

約数和(自身を除く): 138248253

約数列:

[1, 3, 9, 23, 27, 69, 207, 619, 621, 653, 1857, 1959, 5571, 5877, 14237, 15019, 16713, 17631, 42711, 45057, 128133, 135171, 384399, 404207, 405513, 1212621, 3637863, 9296761, 10913589, 27890283, 83670849, 251012547]

約数ペア:

[(1, 251012547), (3, 83670849), (9, 27890283), (23, 10913589), (27, 9296761), (69, 3637863), (207, 1212621), (619, 405513), (621, 404207), (653, 384399), (1857, 135171), (1959, 128133), (5571, 45057), (5877, 42711), (14237, 17631), (15019, 16713)]