26978049

素因数分解:

$3^3\times 7^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:774

約数の個数: 32

約数和(自身を含む): 45920000

約数和(自身を除く): 18941951

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 349, 409, 1047, 1227, 2443, 2863, 3141, 3681, 7329, 8589, 9423, 11043, 21987, 25767, 65961, 77301, 142741, 428223, 999187, 1284669, 2997561, 3854007, 8992683, 26978049]

約数ペア:

[(1, 26978049), (3, 8992683), (7, 3854007), (9, 2997561), (21, 1284669), (27, 999187), (63, 428223), (189, 142741), (349, 77301), (409, 65961), (1047, 25767), (1227, 21987), (2443, 11043), (2863, 9423), (3141, 8589), (3681, 7329)]