42857547

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{571}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 57987072

約数和(自身を除く): 15129525

約数列:

[1, 3, 127, 197, 381, 571, 591, 1713, 25019, 72517, 75057, 112487, 217551, 337461, 14285849, 42857547]

約数ペア:

[(1, 42857547), (3, 14285849), (127, 337461), (197, 217551), (381, 112487), (571, 75057), (591, 72517), (1713, 25019)]