408055767

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{3251}}^1$

素因数の和:3443

約数の個数: 32

約数和(自身を含む): 641034240

約数和(自身を除く): 232978473

約数列:

[1, 3, 7, 21, 43, 129, 139, 301, 417, 903, 973, 2919, 3251, 5977, 9753, 17931, 22757, 41839, 68271, 125517, 139793, 419379, 451889, 978551, 1355667, 2935653, 3163223, 9489669, 19431227, 58293681, 136018589, 408055767]

約数ペア:

[(1, 408055767), (3, 136018589), (7, 58293681), (21, 19431227), (43, 9489669), (129, 3163223), (139, 2935653), (301, 1355667), (417, 978551), (903, 451889), (973, 419379), (2919, 139793), (3251, 125517), (5977, 68271), (9753, 41839), (17931, 22757)]