207768321

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{48397}}^1$

素因数の和:48462

約数の個数: 20

約数和(自身を含む): 316232532

約数和(自身を除く): 108464211

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 48397, 145191, 435573, 1306719, 2565041, 3920157, 7695123, 23085369, 69256107, 207768321]

約数ペア:

[(1, 207768321), (3, 69256107), (9, 23085369), (27, 7695123), (53, 3920157), (81, 2565041), (159, 1306719), (477, 435573), (1431, 145191), (4293, 48397)]