25204179

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 46698960

約数和(自身を除く): 21494781

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 109, 121, 143, 147, 231, 273, 327, 363, 429, 539, 637, 763, 847, 1001, 1199, 1417, 1573, 1617, 1911, 2289, 2541, 3003, 3597, 4251, 4719, 5341, 5929, 7007, 8393, 9919, 11011, 13189, 15587, 16023, 17787, 21021, 25179, 29757, 33033, 39567, 46761, 58751, 69433, 77077, 92323, 109109, 171457, 176253, 208299, 231231, 276969, 327327, 514371, 646261, 763763, 1200199, 1938783, 2291289, 3600597, 8401393, 25204179]

約数ペア:

[(1, 25204179), (3, 8401393), (7, 3600597), (11, 2291289), (13, 1938783), (21, 1200199), (33, 763763), (39, 646261), (49, 514371), (77, 327327), (91, 276969), (109, 231231), (121, 208299), (143, 176253), (147, 171457), (231, 109109), (273, 92323), (327, 77077), (363, 69433), (429, 58751), (539, 46761), (637, 39567), (763, 33033), (847, 29757), (1001, 25179), (1199, 21021), (1417, 17787), (1573, 16023), (1617, 15587), (1911, 13189), (2289, 11011), (2541, 9919), (3003, 8393), (3597, 7007), (4251, 5929), (4719, 5341)]