42878403

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{31139}}^1$

素因数の和:31168

約数の個数: 20

約数和(自身を含む): 67822920

約数和(自身を除く): 24944517

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 31139, 93417, 280251, 529363, 840753, 1588089, 2522259, 4764267, 14292801, 42878403]

約数ペア:

[(1, 42878403), (3, 14292801), (9, 4764267), (17, 2522259), (27, 1588089), (51, 840753), (81, 529363), (153, 280251), (459, 93417), (1377, 31139)]