209965713

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{3433}}^1$

素因数の和:3521

約数の個数: 32

約数和(自身を含む): 313180800

約数和(自身を除く): 103215087

約数列:

[1, 3, 19, 29, 37, 57, 87, 111, 551, 703, 1073, 1653, 2109, 3219, 3433, 10299, 20387, 61161, 65227, 99557, 127021, 195681, 298671, 381063, 1891583, 2413399, 3683609, 5674749, 7240197, 11050827, 69988571, 209965713]

約数ペア:

[(1, 209965713), (3, 69988571), (19, 11050827), (29, 7240197), (37, 5674749), (57, 3683609), (87, 2413399), (111, 1891583), (551, 381063), (703, 298671), (1073, 195681), (1653, 127021), (2109, 99557), (3219, 65227), (3433, 61161), (10299, 20387)]