28904445

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:176

約数の個数: 80

約数和(自身を含む): 56453760

約数和(自身を除く): 27549315

約数列:

[1, 3, 5, 9, 15, 23, 27, 29, 45, 69, 81, 87, 107, 115, 135, 145, 207, 261, 321, 345, 405, 435, 535, 621, 667, 783, 963, 1035, 1305, 1605, 1863, 2001, 2349, 2461, 2889, 3103, 3105, 3335, 3915, 4815, 6003, 7383, 8667, 9309, 9315, 10005, 11745, 12305, 14445, 15515, 18009, 22149, 27927, 30015, 36915, 43335, 46545, 54027, 66447, 71369, 83781, 90045, 110745, 139635, 199341, 214107, 251343, 270135, 332235, 356845, 418905, 642321, 996705, 1070535, 1256715, 1926963, 3211605, 5780889, 9634815, 28904445]

約数ペア:

[(1, 28904445), (3, 9634815), (5, 5780889), (9, 3211605), (15, 1926963), (23, 1256715), (27, 1070535), (29, 996705), (45, 642321), (69, 418905), (81, 356845), (87, 332235), (107, 270135), (115, 251343), (135, 214107), (145, 199341), (207, 139635), (261, 110745), (321, 90045), (345, 83781), (405, 71369), (435, 66447), (535, 54027), (621, 46545), (667, 43335), (783, 36915), (963, 30015), (1035, 27927), (1305, 22149), (1605, 18009), (1863, 15515), (2001, 14445), (2349, 12305), (2461, 11745), (2889, 10005), (3103, 9315), (3105, 9309), (3335, 8667), (3915, 7383), (4815, 6003)]