208407411

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{43609}}^1$

素因数の和:43680

約数の個数: 20

約数和(自身を含む): 316608600

約数和(自身を除く): 108201189

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 43609, 130827, 392481, 1177443, 2572931, 3532329, 7718793, 23156379, 69469137, 208407411]

約数ペア:

[(1, 208407411), (3, 69469137), (9, 23156379), (27, 7718793), (59, 3532329), (81, 2572931), (177, 1177443), (531, 392481), (1593, 130827), (4779, 43609)]