18407709

素因数分解:

$3^3\times {\mathrm{439}}^1\times {\mathrm{1553}}^1$

素因数の和:2001

約数の個数: 16

約数和(自身を含む): 27350400

約数和(自身を除く): 8942691

約数列:

[1, 3, 9, 27, 439, 1317, 1553, 3951, 4659, 11853, 13977, 41931, 681767, 2045301, 6135903, 18407709]

約数ペア:

[(1, 18407709), (3, 6135903), (9, 2045301), (27, 681767), (439, 41931), (1317, 13977), (1553, 11853), (3951, 4659)]