865269

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:521

約数の個数: 16

約数和(自身を含む): 1302400

約数和(自身を除く): 437131

約数列:

[1, 3, 9, 27, 73, 219, 439, 657, 1317, 1971, 3951, 11853, 32047, 96141, 288423, 865269]

約数ペア:

[(1, 865269), (3, 288423), (9, 96141), (27, 32047), (73, 11853), (219, 3951), (439, 1971), (657, 1317)]