208375551

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{130807}}^1$

素因数の和:130875

約数の個数: 16

約数和(自身を含む): 313939200

約数和(自身を除く): 105563649

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 130807, 392421, 1177263, 3531789, 7717613, 23152839, 69458517, 208375551]

約数ペア:

[(1, 208375551), (3, 69458517), (9, 23152839), (27, 7717613), (59, 3531789), (177, 1177263), (531, 392421), (1593, 130807)]