12821187

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 17488512

約数和(自身を除く): 4667325

約数列:

[1, 3, 67, 201, 227, 281, 681, 843, 15209, 18827, 45627, 56481, 63787, 191361, 4273729, 12821187]

約数ペア:

[(1, 12821187), (3, 4273729), (67, 191361), (201, 63787), (227, 56481), (281, 45627), (681, 18827), (843, 15209)]