28298277

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{503}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 22021083

約数列:

[1, 3, 7, 9, 19, 21, 47, 57, 63, 133, 141, 171, 329, 399, 423, 503, 893, 987, 1197, 1509, 2679, 2961, 3521, 4527, 6251, 8037, 9557, 10563, 18753, 23641, 28671, 31689, 56259, 66899, 70923, 86013, 165487, 200697, 212769, 449179, 496461, 602091, 1347537, 1489383, 3144253, 4042611, 9432759, 28298277]

約数ペア:

[(1, 28298277), (3, 9432759), (7, 4042611), (9, 3144253), (19, 1489383), (21, 1347537), (47, 602091), (57, 496461), (63, 449179), (133, 212769), (141, 200697), (171, 165487), (329, 86013), (399, 70923), (423, 66899), (503, 56259), (893, 31689), (987, 28671), (1197, 23641), (1509, 18753), (2679, 10563), (2961, 9557), (3521, 8037), (4527, 6251)]