15801597

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 28188160

約数和(自身を除く): 12386563

約数列:

[1, 3, 7, 9, 19, 21, 43, 57, 63, 129, 133, 171, 301, 307, 387, 399, 817, 903, 921, 1197, 2149, 2451, 2709, 2763, 5719, 5833, 6447, 7353, 13201, 17157, 17499, 19341, 39603, 40831, 51471, 52497, 92407, 118809, 122493, 250819, 277221, 367479, 752457, 831663, 1755733, 2257371, 5267199, 15801597]

約数ペア:

[(1, 15801597), (3, 5267199), (7, 2257371), (9, 1755733), (19, 831663), (21, 752457), (43, 367479), (57, 277221), (63, 250819), (129, 122493), (133, 118809), (171, 92407), (301, 52497), (307, 51471), (387, 40831), (399, 39603), (817, 19341), (903, 17499), (921, 17157), (1197, 13201), (2149, 7353), (2451, 6447), (2709, 5833), (2763, 5719)]