25291539

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30881}}^1$

素因数の和:30907

約数の個数: 24

約数和(自身を含む): 44964192

約数和(自身を除く): 19672653

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 30881, 92643, 216167, 277929, 401453, 648501, 1204359, 1945503, 2810171, 3613077, 8430513, 25291539]

約数ペア:

[(1, 25291539), (3, 8430513), (7, 3613077), (9, 2810171), (13, 1945503), (21, 1204359), (39, 648501), (63, 401453), (91, 277929), (117, 216167), (273, 92643), (819, 30881)]