1390725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{883}}^1$

素因数の和:906

約数の個数: 36

約数和(自身を含む): 2850016

約数和(自身を除く): 1459291

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 883, 1575, 2649, 4415, 6181, 7947, 13245, 18543, 22075, 30905, 39735, 55629, 66225, 92715, 154525, 198675, 278145, 463575, 1390725]

約数ペア:

[(1, 1390725), (3, 463575), (5, 278145), (7, 198675), (9, 154525), (15, 92715), (21, 66225), (25, 55629), (35, 39735), (45, 30905), (63, 22075), (75, 18543), (105, 13245), (175, 7947), (225, 6181), (315, 4415), (525, 2649), (883, 1575)]