1228725

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:186

約数の個数: 36

約数和(自身を含む): 2269696

約数和(自身を除く): 1040971

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 127, 129, 215, 225, 381, 387, 635, 645, 1075, 1143, 1905, 1935, 3175, 3225, 5461, 5715, 9525, 9675, 16383, 27305, 28575, 49149, 81915, 136525, 245745, 409575, 1228725]

約数ペア:

[(1, 1228725), (3, 409575), (5, 245745), (9, 136525), (15, 81915), (25, 49149), (43, 28575), (45, 27305), (75, 16383), (127, 9675), (129, 9525), (215, 5715), (225, 5461), (381, 3225), (387, 3175), (635, 1935), (645, 1905), (1075, 1143)]