199702947

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1\times {\mathrm{1907}}^1$

素因数の和:2498

約数の個数: 16

約数和(自身を含む): 270905472

約数和(自身を除く): 71202525

約数列:

[1, 3, 67, 201, 521, 1563, 1907, 5721, 34907, 104721, 127769, 383307, 993547, 2980641, 66567649, 199702947]

約数ペア:

[(1, 199702947), (3, 66567649), (67, 2980641), (201, 993547), (521, 383307), (1563, 127769), (1907, 104721), (5721, 34907)]