1987503

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 32

約数和(自身を含む): 3244032

約数和(自身を除く): 1256529

約数列:

[1, 3, 7, 21, 31, 43, 71, 93, 129, 213, 217, 301, 497, 651, 903, 1333, 1491, 2201, 3053, 3999, 6603, 9159, 9331, 15407, 21371, 27993, 46221, 64113, 94643, 283929, 662501, 1987503]

約数ペア:

[(1, 1987503), (3, 662501), (7, 283929), (21, 94643), (31, 64113), (43, 46221), (71, 27993), (93, 21371), (129, 15407), (213, 9331), (217, 9159), (301, 6603), (497, 3999), (651, 3053), (903, 2201), (1333, 1491)]