221489187

素因数分解:

$3^1\times {\mathrm{239}}^1\times {\mathrm{541}}^1\times {\mathrm{571}}^1$

素因数の和:1354

約数の個数: 16

約数和(自身を含む): 297623040

約数和(自身を除く): 76133853

約数列:

[1, 3, 239, 541, 571, 717, 1623, 1713, 129299, 136469, 308911, 387897, 409407, 926733, 73829729, 221489187]

約数ペア:

[(1, 221489187), (3, 73829729), (239, 926733), (541, 409407), (571, 387897), (717, 308911), (1623, 136469), (1713, 129299)]