15676983

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:705

約数の個数: 40

約数和(自身を含む): 27429248

約数和(自身を除く): 11752265

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 643, 903, 1161, 1929, 2709, 3483, 4501, 5787, 8127, 13503, 17361, 24381, 27649, 40509, 52083, 82947, 121527, 193543, 248841, 364581, 580629, 746523, 1741887, 2239569, 5225661, 15676983]

約数ペア:

[(1, 15676983), (3, 5225661), (7, 2239569), (9, 1741887), (21, 746523), (27, 580629), (43, 364581), (63, 248841), (81, 193543), (129, 121527), (189, 82947), (301, 52083), (387, 40509), (567, 27649), (643, 24381), (903, 17361), (1161, 13503), (1929, 8127), (2709, 5787), (3483, 4501)]