210945879

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{227}}^1\times {\mathrm{1307}}^1$

素因数の和:1619

約数の個数: 24

約数和(自身を含む): 310152960

約数和(自身を除く): 99207081

約数列:

[1, 3, 9, 79, 227, 237, 681, 711, 1307, 2043, 3921, 11763, 17933, 53799, 103253, 161397, 296689, 309759, 890067, 929277, 2670201, 23438431, 70315293, 210945879]

約数ペア:

[(1, 210945879), (3, 70315293), (9, 23438431), (79, 2670201), (227, 929277), (237, 890067), (681, 309759), (711, 296689), (1307, 161397), (2043, 103253), (3921, 53799), (11763, 17933)]