215539377

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{3469}}^1$

素因数の和:3760

約数の個数: 16

約数和(自身を含む): 291480000

約数和(自身を除く): 75940623

約数列:

[1, 3, 139, 149, 417, 447, 3469, 10407, 20711, 62133, 482191, 516881, 1446573, 1550643, 71846459, 215539377]

約数ペア:

[(1, 215539377), (3, 71846459), (139, 1550643), (149, 1446573), (417, 516881), (447, 482191), (3469, 62133), (10407, 20711)]