8820539

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 11280528

約数和(自身を除く): 2459989

約数列:

[1, 7, 13, 49, 61, 91, 227, 427, 637, 793, 1589, 2951, 2989, 5551, 11123, 13847, 20657, 38857, 96929, 144599, 180011, 678503, 1260077, 8820539]

約数ペア:

[(1, 8820539), (7, 1260077), (13, 678503), (49, 180011), (61, 144599), (91, 96929), (227, 38857), (427, 20657), (637, 13847), (793, 11123), (1589, 5551), (2951, 2989)]