81381678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1937659}}^1$

素因数の和:1937671

約数の個数: 16

約数和(自身を含む): 186015360

約数和(自身を除く): 104633682

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1937659, 3875318, 5812977, 11625954, 13563613, 27127226, 40690839, 81381678]

約数ペア:

[(1, 81381678), (2, 40690839), (3, 27127226), (6, 13563613), (7, 11625954), (14, 5812977), (21, 3875318), (42, 1937659)]