221027191

素因数分解:

$7^2\times {\mathrm{11}}^3\times {\mathrm{3389}}^1$

素因数の和:3436

約数の個数: 24

約数和(自身を含む): 282888720

約数和(自身を除く): 61861529

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 1331, 3389, 5929, 9317, 23723, 37279, 65219, 166061, 260953, 410069, 1826671, 2870483, 4510759, 20093381, 31575313, 221027191]

約数ペア:

[(1, 221027191), (7, 31575313), (11, 20093381), (49, 4510759), (77, 2870483), (121, 1826671), (539, 410069), (847, 260953), (1331, 166061), (3389, 65219), (5929, 37279), (9317, 23723)]