206847513

素因数分解:

$3^4\times {\mathrm{887}}^1\times {\mathrm{2879}}^1$

素因数の和:3778

約数の個数: 20

約数和(自身を含む): 309450240

約数和(自身を除く): 102602727

約数列:

[1, 3, 9, 27, 81, 887, 2661, 2879, 7983, 8637, 23949, 25911, 71847, 77733, 233199, 2553673, 7661019, 22983057, 68949171, 206847513]

約数ペア:

[(1, 206847513), (3, 68949171), (9, 22983057), (27, 7661019), (81, 2553673), (887, 233199), (2661, 77733), (2879, 71847), (7983, 25911), (8637, 23949)]