28185111

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 43102400

約数和(自身を除く): 14917289

約数列:

[1, 3, 9, 27, 61, 109, 157, 183, 327, 471, 549, 981, 1413, 1647, 2943, 4239, 6649, 9577, 17113, 19947, 28731, 51339, 59841, 86193, 154017, 179523, 258579, 462051, 1043893, 3131679, 9395037, 28185111]

約数ペア:

[(1, 28185111), (3, 9395037), (9, 3131679), (27, 1043893), (61, 462051), (109, 258579), (157, 179523), (183, 154017), (327, 86193), (471, 59841), (549, 51339), (981, 28731), (1413, 19947), (1647, 17113), (2943, 9577), (4239, 6649)]