51718419

素因数分解:

$3^5\times {\mathrm{331}}^1\times {\mathrm{643}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 77826112

約数和(自身を除く): 26107693

約数列:

[1, 3, 9, 27, 81, 243, 331, 643, 993, 1929, 2979, 5787, 8937, 17361, 26811, 52083, 80433, 156249, 212833, 638499, 1915497, 5746491, 17239473, 51718419]

約数ペア:

[(1, 51718419), (3, 17239473), (9, 5746491), (27, 1915497), (81, 638499), (243, 212833), (331, 156249), (643, 80433), (993, 52083), (1929, 26811), (2979, 17361), (5787, 8937)]