205170721

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{17333}}^1$

素因数の和:17448

約数の個数: 16

約数和(自身を含む): 249609600

約数和(自身を除く): 44438879

約数列:

[1, 7, 19, 89, 133, 623, 1691, 11837, 17333, 121331, 329327, 1542637, 2305289, 10798459, 29310103, 205170721]

約数ペア:

[(1, 205170721), (7, 29310103), (19, 10798459), (89, 2305289), (133, 1542637), (623, 329327), (1691, 121331), (11837, 17333)]