258399369

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{142841}}^1$

素因数の和:142917

約数の個数: 16

約数和(自身を含む): 388530240

約数和(自身を除く): 130130871

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 142841, 428523, 1285569, 3856707, 9570347, 28711041, 86133123, 258399369]

約数ペア:

[(1, 258399369), (3, 86133123), (9, 28711041), (27, 9570347), (67, 3856707), (201, 1285569), (603, 428523), (1809, 142841)]