39407289

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{509}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 53317440

約数和(自身を除く): 13910151

約数列:

[1, 3, 131, 197, 393, 509, 591, 1527, 25807, 66679, 77421, 100273, 200037, 300819, 13135763, 39407289]

約数ペア:

[(1, 39407289), (3, 13135763), (131, 300819), (197, 200037), (393, 100273), (509, 77421), (591, 66679), (1527, 25807)]