15729207

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21227}}^1$

素因数の和:21262

約数の個数: 16

約数和(自身を含む): 23775360

約数和(自身を除く): 8046153

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 21227, 63681, 275951, 403313, 827853, 1209939, 5243069, 15729207]

約数ペア:

[(1, 15729207), (3, 5243069), (13, 1209939), (19, 827853), (39, 403313), (57, 275951), (247, 63681), (741, 21227)]