393471

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:100

約数の個数: 32

約数和(自身を含む): 672000

約数和(自身を除く): 278529

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 59, 117, 171, 177, 247, 351, 513, 531, 741, 767, 1121, 1593, 2223, 2301, 3363, 6669, 6903, 10089, 14573, 20709, 30267, 43719, 131157, 393471]

約数ペア:

[(1, 393471), (3, 131157), (9, 43719), (13, 30267), (19, 20709), (27, 14573), (39, 10089), (57, 6903), (59, 6669), (117, 3363), (171, 2301), (177, 2223), (247, 1593), (351, 1121), (513, 767), (531, 741)]