25249119

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{63281}}^1$

素因数の和:63310

約数の個数: 16

約数和(自身を含む): 40500480

約数和(自身を除く): 15251361

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 63281, 189843, 442967, 1202339, 1328901, 3607017, 8416373, 25249119]

約数ペア:

[(1, 25249119), (3, 8416373), (7, 3607017), (19, 1328901), (21, 1202339), (57, 442967), (133, 189843), (399, 63281)]