278565591

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{9151}}^1$

素因数の和:9366

約数の個数: 16

約数和(自身を含む): 379258880

約数和(自身を除く): 100693289

約数列:

[1, 3, 73, 139, 219, 417, 9151, 10147, 27453, 30441, 668023, 1271989, 2004069, 3815967, 92855197, 278565591]

約数ペア:

[(1, 278565591), (3, 92855197), (73, 3815967), (139, 2004069), (219, 1271989), (417, 668023), (9151, 30441), (10147, 27453)]