28642671

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 18531729

約数列:

[1, 3, 9, 17, 19, 51, 57, 59, 153, 167, 171, 177, 323, 501, 531, 969, 1003, 1121, 1503, 2839, 2907, 3009, 3173, 3363, 8517, 9027, 9519, 9853, 10089, 19057, 25551, 28557, 29559, 53941, 57171, 88677, 161823, 167501, 171513, 187207, 485469, 502503, 561621, 1507509, 1684863, 3182519, 9547557, 28642671]

約数ペア:

[(1, 28642671), (3, 9547557), (9, 3182519), (17, 1684863), (19, 1507509), (51, 561621), (57, 502503), (59, 485469), (153, 187207), (167, 171513), (171, 167501), (177, 161823), (323, 88677), (501, 57171), (531, 53941), (969, 29559), (1003, 28557), (1121, 25551), (1503, 19057), (2839, 10089), (2907, 9853), (3009, 9519), (3173, 9027), (3363, 8517)]