28098651

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 46601984

約数和(自身を除く): 18503333

約数列:

[1, 3, 7, 21, 29, 37, 43, 87, 111, 129, 203, 259, 301, 609, 777, 841, 903, 1073, 1247, 1591, 2523, 3219, 3741, 4773, 5887, 7511, 8729, 11137, 17661, 22533, 26187, 31117, 33411, 36163, 46139, 93351, 108489, 138417, 217819, 253141, 322973, 653457, 759423, 968919, 1338031, 4014093, 9366217, 28098651]

約数ペア:

[(1, 28098651), (3, 9366217), (7, 4014093), (21, 1338031), (29, 968919), (37, 759423), (43, 653457), (87, 322973), (111, 253141), (129, 217819), (203, 138417), (259, 108489), (301, 93351), (609, 46139), (777, 36163), (841, 33411), (903, 31117), (1073, 26187), (1247, 22533), (1591, 17661), (2523, 11137), (3219, 8729), (3741, 7511), (4773, 5887)]