201000021

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{21817}}^1$

素因数の和:21940

約数の個数: 16

約数和(自身を含む): 278572224

約数和(自身を除く): 77572203

約数列:

[1, 3, 37, 83, 111, 249, 3071, 9213, 21817, 65451, 807229, 1810811, 2421687, 5432433, 67000007, 201000021]

約数ペア:

[(1, 201000021), (3, 67000007), (37, 5432433), (83, 2421687), (111, 1810811), (249, 807229), (3071, 65451), (9213, 21817)]