278317113

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{4721}}^1$

素因数の和:5224

約数の個数: 16

約数和(自身を含む): 380630976

約数和(自身を除く): 102313863

約数列:

[1, 3, 43, 129, 457, 1371, 4721, 14163, 19651, 58953, 203003, 609009, 2157497, 6472491, 92772371, 278317113]

約数ペア:

[(1, 278317113), (3, 92772371), (43, 6472491), (129, 2157497), (457, 609009), (1371, 203003), (4721, 58953), (14163, 19651)]