201821421

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{24907}}^1$

素因数の和:25020

約数の個数: 16

約数和(自身を含む): 280165184

約数和(自身を除く): 78343763

約数列:

[1, 3, 37, 73, 111, 219, 2701, 8103, 24907, 74721, 921559, 1818211, 2764677, 5454633, 67273807, 201821421]

約数ペア:

[(1, 201821421), (3, 67273807), (37, 5454633), (73, 2764677), (111, 1818211), (219, 921559), (2701, 74721), (8103, 24907)]