2166813

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 3500640

約数和(自身を除く): 1333827

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 509, 1419, 1527, 4257, 4581, 5599, 16797, 21887, 50391, 65661, 196983, 240757, 722271, 2166813]

約数ペア:

[(1, 2166813), (3, 722271), (9, 240757), (11, 196983), (33, 65661), (43, 50391), (99, 21887), (129, 16797), (387, 5599), (473, 4581), (509, 4257), (1419, 1527)]