210223587

素因数分解:

$3^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{18301}}^1$

素因数の和:18858

約数の個数: 16

約数和(自身を含む): 320943872

約数和(自身を除く): 110720285

約数列:

[1, 3, 7, 21, 547, 1641, 3829, 11487, 18301, 54903, 128107, 384321, 10010647, 30031941, 70074529, 210223587]

約数ペア:

[(1, 210223587), (3, 70074529), (7, 30031941), (21, 10010647), (547, 384321), (1641, 128107), (3829, 54903), (11487, 18301)]