28684215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2221}}^1$

素因数の和:2280

約数の個数: 48

約数和(自身を含む): 58234176

約数和(自身を除く): 29549961

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 63, 105, 123, 205, 287, 315, 369, 615, 861, 1435, 1845, 2221, 2583, 4305, 6663, 11105, 12915, 15547, 19989, 33315, 46641, 77735, 91061, 99945, 139923, 233205, 273183, 455305, 637427, 699615, 819549, 1365915, 1912281, 3187135, 4097745, 5736843, 9561405, 28684215]

約数ペア:

[(1, 28684215), (3, 9561405), (5, 5736843), (7, 4097745), (9, 3187135), (15, 1912281), (21, 1365915), (35, 819549), (41, 699615), (45, 637427), (63, 455305), (105, 273183), (123, 233205), (205, 139923), (287, 99945), (315, 91061), (369, 77735), (615, 46641), (861, 33315), (1435, 19989), (1845, 15547), (2221, 12915), (2583, 11105), (4305, 6663)]