2643219

素因数分解:

$3^3\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:671

約数の個数: 16

約数和(自身を含む): 3942400

約数和(自身を除く): 1299181

約数列:

[1, 3, 9, 27, 223, 439, 669, 1317, 2007, 3951, 6021, 11853, 97897, 293691, 881073, 2643219]

約数ペア:

[(1, 2643219), (3, 881073), (9, 293691), (27, 97897), (223, 11853), (439, 6021), (669, 3951), (1317, 2007)]