30990009

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 43647552

約数和(自身を除く): 12657543

約数列:

[1, 3, 29, 71, 87, 173, 213, 519, 841, 2059, 2523, 5017, 6177, 12283, 15051, 36849, 59711, 145493, 179133, 356207, 436479, 1068621, 10330003, 30990009]

約数ペア:

[(1, 30990009), (3, 10330003), (29, 1068621), (71, 436479), (87, 356207), (173, 179133), (213, 145493), (519, 59711), (841, 36849), (2059, 15051), (2523, 12283), (5017, 6177)]