25261887

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{63313}}^1$

素因数の和:63342

約数の個数: 16

約数和(自身を含む): 40520960

約数和(自身を除く): 15259073

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 63313, 189939, 443191, 1202947, 1329573, 3608841, 8420629, 25261887]

約数ペア:

[(1, 25261887), (3, 8420629), (7, 3608841), (19, 1329573), (21, 1202947), (57, 443191), (133, 189939), (399, 63313)]