16928847

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{563}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 26483184

約数和(自身を除く): 9554337

約数列:

[1, 3, 9, 13, 39, 117, 257, 563, 771, 1689, 2313, 3341, 5067, 7319, 10023, 21957, 30069, 65871, 144691, 434073, 1302219, 1880983, 5642949, 16928847]

約数ペア:

[(1, 16928847), (3, 5642949), (9, 1880983), (13, 1302219), (39, 434073), (117, 144691), (257, 65871), (563, 30069), (771, 21957), (1689, 10023), (2313, 7319), (3341, 5067)]