25209261

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3307}}^1$

素因数の和:3342

約数の個数: 36

約数和(自身を含む): 45756256

約数和(自身を除く): 20546995

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 2541, 3307, 7623, 9921, 23149, 29763, 36377, 69447, 109131, 208341, 254639, 327393, 400147, 763917, 1200441, 2291751, 2801029, 3601323, 8403087, 25209261]

約数ペア:

[(1, 25209261), (3, 8403087), (7, 3601323), (9, 2801029), (11, 2291751), (21, 1200441), (33, 763917), (63, 400147), (77, 327393), (99, 254639), (121, 208341), (231, 109131), (363, 69447), (693, 36377), (847, 29763), (1089, 23149), (2541, 9921), (3307, 7623)]