161768907

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:697

約数の個数: 40

約数和(自身を含む): 255987600

約数和(自身を除く): 94218693

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 257, 409, 513, 771, 1227, 1539, 2313, 3681, 4883, 6939, 7771, 11043, 14649, 20817, 23313, 33129, 43947, 69939, 105113, 131841, 209817, 315339, 395523, 629451, 946017, 1997147, 2838051, 5991441, 8514153, 17974323, 53922969, 161768907]

約数ペア:

[(1, 161768907), (3, 53922969), (9, 17974323), (19, 8514153), (27, 5991441), (57, 2838051), (81, 1997147), (171, 946017), (257, 629451), (409, 395523), (513, 315339), (771, 209817), (1227, 131841), (1539, 105113), (2313, 69939), (3681, 43947), (4883, 33129), (6939, 23313), (7771, 20817), (11043, 14649)]