20153910321

素因数分解:

$3^3\times {\mathrm{547}}^1\times {\mathrm{1364609}}^1$

素因数の和:1365165

約数の個数: 16

約数和(自身を含む): 29912251200

約数和(自身を除く): 9758340879

約数列:

[1, 3, 9, 27, 547, 1641, 4923, 14769, 1364609, 4093827, 12281481, 36844443, 746441123, 2239323369, 6717970107, 20153910321]

約数ペア:

[(1, 20153910321), (3, 6717970107), (9, 2239323369), (27, 746441123), (547, 36844443), (1641, 12281481), (4923, 4093827), (14769, 1364609)]