28225845

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 23665995

約数列:

[1, 3, 5, 9, 15, 29, 43, 45, 87, 129, 145, 215, 261, 387, 435, 503, 645, 1247, 1305, 1509, 1935, 2515, 3741, 4527, 6235, 7545, 11223, 14587, 18705, 21629, 22635, 43761, 56115, 64887, 72935, 108145, 131283, 194661, 218805, 324435, 627241, 656415, 973305, 1881723, 3136205, 5645169, 9408615, 28225845]

約数ペア:

[(1, 28225845), (3, 9408615), (5, 5645169), (9, 3136205), (15, 1881723), (29, 973305), (43, 656415), (45, 627241), (87, 324435), (129, 218805), (145, 194661), (215, 131283), (261, 108145), (387, 72935), (435, 64887), (503, 56115), (645, 43761), (1247, 22635), (1305, 21629), (1509, 18705), (1935, 14587), (2515, 11223), (3741, 7545), (4527, 6235)]