39618891

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19919}}^1$

素因数の和:19955

約数の個数: 24

約数和(自身を含む): 65257920

約数和(自身を除く): 25639029

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 19919, 59757, 179271, 258947, 338623, 776841, 1015869, 2330523, 3047607, 4402099, 13206297, 39618891]

約数ペア:

[(1, 39618891), (3, 13206297), (9, 4402099), (13, 3047607), (17, 2330523), (39, 1015869), (51, 776841), (117, 338623), (153, 258947), (221, 179271), (663, 59757), (1989, 19919)]