210679947

素因数分解:

$3^4\times {\mathrm{1097}}^1\times {\mathrm{2371}}^1$

素因数の和:3480

約数の個数: 20

約数和(自身を含む): 315139176

約数和(自身を除く): 104459229

約数列:

[1, 3, 9, 27, 81, 1097, 2371, 3291, 7113, 9873, 21339, 29619, 64017, 88857, 192051, 2600987, 7802961, 23408883, 70226649, 210679947]

約数ペア:

[(1, 210679947), (3, 70226649), (9, 23408883), (27, 7802961), (81, 2600987), (1097, 192051), (2371, 88857), (3291, 64017), (7113, 29619), (9873, 21339)]