618671619

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{233}}^1\times {\mathrm{307}}^1$

素因数の和:608

約数の個数: 36

約数和(自身を含む): 930377448

約数和(自身を除く): 311705829

約数列:

[1, 3, 9, 31, 93, 233, 279, 307, 699, 921, 961, 2097, 2763, 2883, 7223, 8649, 9517, 21669, 28551, 65007, 71531, 85653, 214593, 223913, 295027, 643779, 671739, 885081, 2015217, 2217461, 2655243, 6652383, 19957149, 68741291, 206223873, 618671619]

約数ペア:

[(1, 618671619), (3, 206223873), (9, 68741291), (31, 19957149), (93, 6652383), (233, 2655243), (279, 2217461), (307, 2015217), (699, 885081), (921, 671739), (961, 643779), (2097, 295027), (2763, 223913), (2883, 214593), (7223, 85653), (8649, 71531), (9517, 65007), (21669, 28551)]