42220359

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{2729}}^1$

素因数の和:2932

約数の個数: 20

約数和(自身を含む): 63423360

約数和(自身を除く): 21203001

約数列:

[1, 3, 9, 27, 81, 191, 573, 1719, 2729, 5157, 8187, 15471, 24561, 73683, 221049, 521239, 1563717, 4691151, 14073453, 42220359]

約数ペア:

[(1, 42220359), (3, 14073453), (9, 4691151), (27, 1563717), (81, 521239), (191, 221049), (573, 73683), (1719, 24561), (2729, 15471), (5157, 8187)]