28425309

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2203}}^1$

素因数の和:2257

約数の個数: 32

約数和(自身を含む): 45702144

約数和(自身を除く): 17276835

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 187, 253, 391, 561, 759, 1173, 2203, 4301, 6609, 12903, 24233, 37451, 50669, 72699, 112353, 152007, 411961, 557359, 861373, 1235883, 1672077, 2584119, 9475103, 28425309]

約数ペア:

[(1, 28425309), (3, 9475103), (11, 2584119), (17, 1672077), (23, 1235883), (33, 861373), (51, 557359), (69, 411961), (187, 152007), (253, 112353), (391, 72699), (561, 50669), (759, 37451), (1173, 24233), (2203, 12903), (4301, 6609)]