210816315

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{108949}}^1$

素因数の和:109003

約数の個数: 24

約数和(自身を含む): 373916400

約数和(自身を除く): 163100085

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 108949, 326847, 544745, 980541, 1634235, 4684807, 4902705, 14054421, 23424035, 42163263, 70272105, 210816315]

約数ペア:

[(1, 210816315), (3, 70272105), (5, 42163263), (9, 23424035), (15, 14054421), (43, 4902705), (45, 4684807), (129, 1634235), (215, 980541), (387, 544745), (645, 326847), (1935, 108949)]