28781523

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4549}}^1$

素因数の和:4611

約数の個数: 24

約数和(自身を含む): 44954000

約数和(自身を除く): 16172477

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 2109, 4549, 6327, 13647, 40941, 86431, 168313, 259293, 504939, 777879, 1514817, 3197947, 9593841, 28781523]

約数ペア:

[(1, 28781523), (3, 9593841), (9, 3197947), (19, 1514817), (37, 777879), (57, 504939), (111, 259293), (171, 168313), (333, 86431), (703, 40941), (2109, 13647), (4549, 6327)]