216222721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{6661}}^1$

素因数の和:6912

約数の個数: 16

約数和(自身を含む): 255181248

約数和(自身を除く): 38958527

約数列:

[1, 11, 13, 143, 227, 2497, 2951, 6661, 32461, 73271, 86593, 952523, 1512047, 16632517, 19656611, 216222721]

約数ペア:

[(1, 216222721), (11, 19656611), (13, 16632517), (143, 1512047), (227, 952523), (2497, 86593), (2951, 73271), (6661, 32461)]