23656581

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 39312000

約数和(自身を除く): 15655419

約数列:

[1, 3, 9, 13, 23, 39, 59, 69, 117, 149, 177, 207, 299, 447, 531, 767, 897, 1341, 1357, 1937, 2301, 2691, 3427, 4071, 5811, 6903, 8791, 10281, 12213, 17433, 17641, 26373, 30843, 44551, 52923, 79119, 114283, 133653, 158769, 202193, 342849, 400959, 606579, 1028547, 1819737, 2628509, 7885527, 23656581]

約数ペア:

[(1, 23656581), (3, 7885527), (9, 2628509), (13, 1819737), (23, 1028547), (39, 606579), (59, 400959), (69, 342849), (117, 202193), (149, 158769), (177, 133653), (207, 114283), (299, 79119), (447, 52923), (531, 44551), (767, 30843), (897, 26373), (1341, 17641), (1357, 17433), (1937, 12213), (2301, 10281), (2691, 8791), (3427, 6903), (4071, 5811)]