211389621

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1\times {\mathrm{2971}}^1$

素因数の和:3652

約数の個数: 16

約数和(自身を含む): 290019648

約数和(自身を除く): 78630027

約数列:

[1, 3, 37, 111, 641, 1923, 2971, 8913, 23717, 71151, 109927, 329781, 1904411, 5713233, 70463207, 211389621]

約数ペア:

[(1, 211389621), (3, 70463207), (37, 5713233), (111, 1904411), (641, 329781), (1923, 109927), (2971, 71151), (8913, 23717)]