16260021

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{1051}}^1$

素因数の和:1254

約数の個数: 20

約数和(自身を含む): 24440064

約数和(自身を除く): 8180043

約数列:

[1, 3, 9, 27, 81, 191, 573, 1051, 1719, 3153, 5157, 9459, 15471, 28377, 85131, 200741, 602223, 1806669, 5420007, 16260021]

約数ペア:

[(1, 16260021), (3, 5420007), (9, 1806669), (27, 602223), (81, 200741), (191, 85131), (573, 28377), (1051, 15471), (1719, 9459), (3153, 5157)]