217440293

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3329}}^1$

素因数の和:3417

約数の個数: 24

約数和(自身を含む): 267252480

約数和(自身を除く): 49812187

約数列:

[1, 7, 31, 43, 49, 217, 301, 1333, 1519, 2107, 3329, 9331, 23303, 65317, 103199, 143147, 163121, 722393, 1002029, 4437557, 5056751, 7014203, 31062899, 217440293]

約数ペア:

[(1, 217440293), (7, 31062899), (31, 7014203), (43, 5056751), (49, 4437557), (217, 1002029), (301, 722393), (1333, 163121), (1519, 143147), (2107, 103199), (3329, 65317), (9331, 23303)]