129121993

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{128993}}^1$

素因数の和:129024

約数の個数: 16

約数和(自身を含む): 173367936

約数和(自身を除く): 44245943

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 128993, 902951, 1418923, 1676909, 9932461, 11738363, 18445999, 129121993]

約数ペア:

[(1, 129121993), (7, 18445999), (11, 11738363), (13, 9932461), (77, 1676909), (91, 1418923), (143, 902951), (1001, 128993)]