28938159

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 46725120

約数和(自身を除く): 17786961

約数列:

[1, 3, 9, 19, 31, 53, 57, 93, 103, 159, 171, 279, 309, 477, 589, 927, 1007, 1643, 1767, 1957, 3021, 3193, 4929, 5301, 5459, 5871, 9063, 9579, 14787, 16377, 17613, 28737, 31217, 49131, 60667, 93651, 103721, 169229, 182001, 280953, 311163, 507687, 546003, 933489, 1523061, 3215351, 9646053, 28938159]

約数ペア:

[(1, 28938159), (3, 9646053), (9, 3215351), (19, 1523061), (31, 933489), (53, 546003), (57, 507687), (93, 311163), (103, 280953), (159, 182001), (171, 169229), (279, 103721), (309, 93651), (477, 60667), (589, 49131), (927, 31217), (1007, 28737), (1643, 17613), (1767, 16377), (1957, 14787), (3021, 9579), (3193, 9063), (4929, 5871), (5301, 5459)]