171796779

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1579}}^1$

素因数の和:1760

約数の個数: 48

約数和(自身を含む): 311550720

約数和(自身を除く): 139753941

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 157, 231, 471, 693, 1099, 1413, 1579, 1727, 3297, 4737, 5181, 9891, 11053, 12089, 14211, 15543, 17369, 33159, 36267, 52107, 99477, 108801, 121583, 156321, 247903, 364749, 743709, 1094247, 1735321, 2231127, 2726933, 5205963, 8180799, 15617889, 19088531, 24542397, 57265593, 171796779]

約数ペア:

[(1, 171796779), (3, 57265593), (7, 24542397), (9, 19088531), (11, 15617889), (21, 8180799), (33, 5205963), (63, 2726933), (77, 2231127), (99, 1735321), (157, 1094247), (231, 743709), (471, 364749), (693, 247903), (1099, 156321), (1413, 121583), (1579, 108801), (1727, 99477), (3297, 52107), (4737, 36267), (5181, 33159), (9891, 17369), (11053, 15543), (12089, 14211)]