28649397

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1217}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 46771200

約数和(自身を除く): 18121803

約数列:

[1, 3, 7, 19, 21, 57, 59, 133, 177, 399, 413, 1121, 1217, 1239, 3363, 3651, 7847, 8519, 23123, 23541, 25557, 69369, 71803, 161861, 215409, 485583, 502621, 1364257, 1507863, 4092771, 9549799, 28649397]

約数ペア:

[(1, 28649397), (3, 9549799), (7, 4092771), (19, 1507863), (21, 1364257), (57, 502621), (59, 485583), (133, 215409), (177, 161861), (399, 71803), (413, 69369), (1121, 25557), (1217, 23541), (1239, 23123), (3363, 8519), (3651, 7847)]