201234789

素因数分解:

$3^2\times 7^1\times {\mathrm{1409}}^1\times {\mathrm{2267}}^1$

素因数の和:3689

約数の個数: 24

約数和(自身を含む): 332579520

約数和(自身を除く): 131344731

約数列:

[1, 3, 7, 9, 21, 63, 1409, 2267, 4227, 6801, 9863, 12681, 15869, 20403, 29589, 47607, 88767, 142821, 3194203, 9582609, 22359421, 28747827, 67078263, 201234789]

約数ペア:

[(1, 201234789), (3, 67078263), (7, 28747827), (9, 22359421), (21, 9582609), (63, 3194203), (1409, 142821), (2267, 88767), (4227, 47607), (6801, 29589), (9863, 20403), (12681, 15869)]