997185273

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{668803}}^1$

素因数の和:668884

約数の個数: 16

約数和(自身を含む): 1540924416

約数和(自身を除く): 543739143

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 668803, 2006409, 4681621, 14044863, 47485013, 142455039, 332395091, 997185273]

約数ペア:

[(1, 997185273), (3, 332395091), (7, 142455039), (21, 47485013), (71, 14044863), (213, 4681621), (497, 2006409), (1491, 668803)]