168103887

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421313}}^1$

素因数の和:421342

約数の個数: 16

約数和(自身を含む): 269640960

約数和(自身を除く): 101537073

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 421313, 1263939, 2949191, 8004947, 8847573, 24014841, 56034629, 168103887]

約数ペア:

[(1, 168103887), (3, 56034629), (7, 24014841), (19, 8847573), (21, 8004947), (57, 2949191), (133, 1263939), (399, 421313)]