28544901

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 49029120

約数和(自身を除く): 20484219

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 127, 139, 147, 231, 381, 417, 539, 889, 973, 1397, 1529, 1617, 2667, 2919, 4191, 4587, 6223, 6811, 9779, 10703, 17653, 18669, 20433, 29337, 32109, 52959, 68453, 74921, 123571, 194183, 205359, 224763, 370713, 582549, 864997, 1359281, 2594991, 4077843, 9514967, 28544901]

約数ペア:

[(1, 28544901), (3, 9514967), (7, 4077843), (11, 2594991), (21, 1359281), (33, 864997), (49, 582549), (77, 370713), (127, 224763), (139, 205359), (147, 194183), (231, 123571), (381, 74921), (417, 68453), (539, 52959), (889, 32109), (973, 29337), (1397, 20433), (1529, 18669), (1617, 17653), (2667, 10703), (2919, 9779), (4191, 6811), (4587, 6223)]