28543995

素因数分解:

$3^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:255

約数の個数: 56

約数和(自身を含む): 52883712

約数和(自身を除く): 24339717

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 191, 205, 243, 369, 405, 573, 615, 729, 955, 1107, 1215, 1719, 1845, 2865, 3321, 3645, 5157, 5535, 7831, 8595, 9963, 15471, 16605, 23493, 25785, 29889, 39155, 46413, 49815, 70479, 77355, 117465, 139239, 149445, 211437, 232065, 352395, 634311, 696195, 1057185, 1902933, 3171555, 5708799, 9514665, 28543995]

約数ペア:

[(1, 28543995), (3, 9514665), (5, 5708799), (9, 3171555), (15, 1902933), (27, 1057185), (41, 696195), (45, 634311), (81, 352395), (123, 232065), (135, 211437), (191, 149445), (205, 139239), (243, 117465), (369, 77355), (405, 70479), (573, 49815), (615, 46413), (729, 39155), (955, 29889), (1107, 25785), (1215, 23493), (1719, 16605), (1845, 15471), (2865, 9963), (3321, 8595), (3645, 7831), (5157, 5535)]