206818215

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{105251}}^1$

素因数の和:105390

約数の個数: 16

約数和(自身を含む): 333438336

約数和(自身を除く): 126620121

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 105251, 315753, 526255, 1578765, 13787881, 41363643, 68939405, 206818215]

約数ペア:

[(1, 206818215), (3, 68939405), (5, 41363643), (15, 13787881), (131, 1578765), (393, 526255), (655, 315753), (1965, 105251)]