81991266

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1952173}}^1$

素因数の和:1952185

約数の個数: 16

約数和(自身を含む): 187408704

約数和(自身を除く): 105417438

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1952173, 3904346, 5856519, 11713038, 13665211, 27330422, 40995633, 81991266]

約数ペア:

[(1, 81991266), (2, 40995633), (3, 27330422), (6, 13665211), (7, 11713038), (14, 5856519), (21, 3904346), (42, 1952173)]