26221311

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 42681600

約数和(自身を除く): 16460289

約数列:

[1, 3, 9, 19, 23, 57, 59, 69, 113, 171, 177, 207, 339, 437, 531, 1017, 1121, 1311, 1357, 2147, 2599, 3363, 3933, 4071, 6441, 6667, 7797, 10089, 12213, 19323, 20001, 23391, 25783, 49381, 60003, 77349, 126673, 148143, 153341, 232047, 380019, 444429, 460023, 1140057, 1380069, 2913479, 8740437, 26221311]

約数ペア:

[(1, 26221311), (3, 8740437), (9, 2913479), (19, 1380069), (23, 1140057), (57, 460023), (59, 444429), (69, 380019), (113, 232047), (171, 153341), (177, 148143), (207, 126673), (339, 77349), (437, 60003), (531, 49381), (1017, 25783), (1121, 23391), (1311, 20001), (1357, 19323), (2147, 12213), (2599, 10089), (3363, 7797), (3933, 6667), (4071, 6441)]