15947523

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:189

約数の個数: 40

約数和(自身を含む): 25090560

約数和(自身を除く): 9143037

約数列:

[1, 3, 9, 27, 47, 59, 71, 81, 141, 177, 213, 423, 531, 639, 1269, 1593, 1917, 2773, 3337, 3807, 4189, 4779, 5751, 8319, 10011, 12567, 24957, 30033, 37701, 74871, 90099, 113103, 196883, 224613, 270297, 339309, 590649, 1771947, 5315841, 15947523]

約数ペア:

[(1, 15947523), (3, 5315841), (9, 1771947), (27, 590649), (47, 339309), (59, 270297), (71, 224613), (81, 196883), (141, 113103), (177, 90099), (213, 74871), (423, 37701), (531, 30033), (639, 24957), (1269, 12567), (1593, 10011), (1917, 8319), (2773, 5751), (3337, 4779), (3807, 4189)]