30721581

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{8387}}^1$

素因数の和:8441

約数の個数: 24

約数和(自身を含む): 49724064

約数和(自身を除く): 19002483

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 8387, 25161, 75483, 92257, 276771, 310319, 830313, 930957, 2792871, 3413509, 10240527, 30721581]

約数ペア:

[(1, 30721581), (3, 10240527), (9, 3413509), (11, 2792871), (33, 930957), (37, 830313), (99, 310319), (111, 276771), (333, 92257), (407, 75483), (1221, 25161), (3663, 8387)]