28540305

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 52416000

約数和(自身を除く): 23875695

約数列:

[1, 3, 5, 9, 15, 31, 41, 45, 93, 123, 155, 205, 279, 369, 465, 499, 615, 1271, 1395, 1497, 1845, 2495, 3813, 4491, 6355, 7485, 11439, 15469, 19065, 20459, 22455, 46407, 57195, 61377, 77345, 102295, 139221, 184131, 232035, 306885, 634229, 696105, 920655, 1902687, 3171145, 5708061, 9513435, 28540305]

約数ペア:

[(1, 28540305), (3, 9513435), (5, 5708061), (9, 3171145), (15, 1902687), (31, 920655), (41, 696105), (45, 634229), (93, 306885), (123, 232035), (155, 184131), (205, 139221), (279, 102295), (369, 77345), (465, 61377), (499, 57195), (615, 46407), (1271, 22455), (1395, 20459), (1497, 19065), (1845, 15469), (2495, 11439), (3813, 7485), (4491, 6355)]