25315251

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20939}}^1$

素因数の和:20986

約数の個数: 16

約数和(自身を含む): 37524480

約数和(自身を除く): 12209229

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 20939, 62817, 272207, 649109, 816621, 1947327, 8438417, 25315251]

約数ペア:

[(1, 25315251), (3, 8438417), (13, 1947327), (31, 816621), (39, 649109), (93, 272207), (403, 62817), (1209, 20939)]