215268521

素因数分解:

${\mathrm{13}}^1\times {\mathrm{59}}^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 242714304

約数和(自身を除く): 27445783

約数列:

[1, 13, 59, 67, 71, 767, 871, 923, 3481, 3953, 4189, 4757, 45253, 51389, 54457, 61841, 233227, 247151, 280663, 3031951, 3212963, 3648619, 16559117, 215268521]

約数ペア:

[(1, 215268521), (13, 16559117), (59, 3648619), (67, 3212963), (71, 3031951), (767, 280663), (871, 247151), (923, 233227), (3481, 61841), (3953, 54457), (4189, 51389), (4757, 45253)]