51840747

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{4177}}^1$

素因数の和:4387

約数の個数: 24

約数和(自身を含む): 86033376

約数和(自身を除く): 34192629

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1379, 1773, 4137, 4177, 12411, 12531, 29239, 37593, 87717, 263151, 822869, 2468607, 5760083, 7405821, 17280249, 51840747]

約数ペア:

[(1, 51840747), (3, 17280249), (7, 7405821), (9, 5760083), (21, 2468607), (63, 822869), (197, 263151), (591, 87717), (1379, 37593), (1773, 29239), (4137, 12531), (4177, 12411)]