1289668826889

素因数分解:

$3^6\times {\mathrm{7151}}^1\times {\mathrm{247391}}^1$

素因数の和:254560

約数の個数: 28

約数和(自身を含む): 1933896909312

約数和(自身を除く): 644228082423

約数列:

[1, 3, 9, 27, 81, 243, 729, 7151, 21453, 64359, 193077, 247391, 579231, 742173, 1737693, 2226519, 5213079, 6679557, 20038671, 60116013, 180348039, 1769093041, 5307279123, 15921837369, 47765512107, 143296536321, 429889608963, 1289668826889]

約数ペア:

[(1, 1289668826889), (3, 429889608963), (9, 143296536321), (27, 47765512107), (81, 15921837369), (243, 5307279123), (729, 1769093041), (7151, 180348039), (21453, 60116013), (64359, 20038671), (193077, 6679557), (247391, 5213079), (579231, 2226519), (742173, 1737693)]