428326677

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{5431}}^1$

素因数の和:5590

約数の個数: 32

約数和(自身を含む): 667484160

約数和(自身を除く): 239157483

約数列:

[1, 3, 9, 23, 27, 69, 127, 207, 381, 621, 1143, 2921, 3429, 5431, 8763, 16293, 26289, 48879, 78867, 124913, 146637, 374739, 689737, 1124217, 2069211, 3372651, 6207633, 15863951, 18622899, 47591853, 142775559, 428326677]

約数ペア:

[(1, 428326677), (3, 142775559), (9, 47591853), (23, 18622899), (27, 15863951), (69, 6207633), (127, 3372651), (207, 2069211), (381, 1124217), (621, 689737), (1143, 374739), (2921, 146637), (3429, 124913), (5431, 78867), (8763, 48879), (16293, 26289)]