66816681

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 97054848

約数和(自身を除く): 30238167

約数列:

[1, 3, 17, 51, 73, 131, 137, 219, 393, 411, 1241, 2227, 2329, 3723, 6681, 6987, 9563, 10001, 17947, 28689, 30003, 53841, 162571, 170017, 305099, 487713, 510051, 915297, 1310131, 3930393, 22272227, 66816681]

約数ペア:

[(1, 66816681), (3, 22272227), (17, 3930393), (51, 1310131), (73, 915297), (131, 510051), (137, 487713), (219, 305099), (393, 170017), (411, 162571), (1241, 53841), (2227, 30003), (2329, 28689), (3723, 17947), (6681, 10001), (6987, 9563)]