2578947

素因数分解:

$3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{541}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 3954432

約数和(自身を除く): 1375485

約数列:

[1, 3, 7, 21, 227, 541, 681, 1589, 1623, 3787, 4767, 11361, 122807, 368421, 859649, 2578947]

約数ペア:

[(1, 2578947), (3, 859649), (7, 368421), (21, 122807), (227, 11361), (541, 4767), (681, 3787), (1589, 1623)]