203379903

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{42557}}^1$

素因数の和:42628

約数の個数: 20

約数和(自身を含む): 308971080

約数和(自身を除く): 105591177

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 42557, 127671, 383013, 1149039, 2510863, 3447117, 7532589, 22597767, 67793301, 203379903]

約数ペア:

[(1, 203379903), (3, 67793301), (9, 22597767), (27, 7532589), (59, 3447117), (81, 2510863), (177, 1149039), (531, 383013), (1593, 127671), (4779, 42557)]