2178231

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:606

約数の個数: 16

約数和(自身を含む): 3196800

約数和(自身を除く): 1018569

約数列:

[1, 3, 11, 33, 149, 443, 447, 1329, 1639, 4873, 4917, 14619, 66007, 198021, 726077, 2178231]

約数ペア:

[(1, 2178231), (3, 726077), (11, 198021), (33, 66007), (149, 14619), (443, 4917), (447, 4873), (1329, 1639)]