16885539

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 28753920

約数和(自身を除く): 11868381

約数列:

[1, 3, 9, 11, 17, 33, 51, 79, 99, 127, 153, 187, 237, 381, 561, 711, 869, 1143, 1343, 1397, 1683, 2159, 2607, 4029, 4191, 6477, 7821, 10033, 12087, 12573, 14773, 19431, 23749, 30099, 44319, 71247, 90297, 110363, 132957, 170561, 213741, 331089, 511683, 993267, 1535049, 1876171, 5628513, 16885539]

約数ペア:

[(1, 16885539), (3, 5628513), (9, 1876171), (11, 1535049), (17, 993267), (33, 511683), (51, 331089), (79, 213741), (99, 170561), (127, 132957), (153, 110363), (187, 90297), (237, 71247), (381, 44319), (561, 30099), (711, 23749), (869, 19431), (1143, 14773), (1343, 12573), (1397, 12087), (1683, 10033), (2159, 7821), (2607, 6477), (4029, 4191)]