81563286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1941983}}^1$

素因数の和:1941995

約数の個数: 16

約数和(自身を含む): 186430464

約数和(自身を除く): 104867178

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1941983, 3883966, 5825949, 11651898, 13593881, 27187762, 40781643, 81563286]

約数ペア:

[(1, 81563286), (2, 40781643), (3, 27187762), (6, 13593881), (7, 11651898), (14, 5825949), (21, 3883966), (42, 1941983)]