25227111

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 43257984

約数和(自身を除く): 18030873

約数列:

[1, 3, 7, 13, 21, 39, 43, 49, 91, 129, 147, 273, 301, 307, 559, 637, 903, 921, 1677, 1911, 2107, 2149, 3913, 3991, 6321, 6447, 11739, 11973, 13201, 15043, 27391, 27937, 39603, 45129, 82173, 83811, 92407, 171613, 195559, 277221, 514839, 586677, 646849, 1201291, 1940547, 3603873, 8409037, 25227111]

約数ペア:

[(1, 25227111), (3, 8409037), (7, 3603873), (13, 1940547), (21, 1201291), (39, 646849), (43, 586677), (49, 514839), (91, 277221), (129, 195559), (147, 171613), (273, 92407), (301, 83811), (307, 82173), (559, 45129), (637, 39603), (903, 27937), (921, 27391), (1677, 15043), (1911, 13201), (2107, 11973), (2149, 11739), (3913, 6447), (3991, 6321)]