1089921

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 1824768

約数和(自身を除く): 734847

約数列:

[1, 3, 7, 17, 21, 43, 51, 71, 119, 129, 213, 301, 357, 497, 731, 903, 1207, 1491, 2193, 3053, 3621, 5117, 8449, 9159, 15351, 21371, 25347, 51901, 64113, 155703, 363307, 1089921]

約数ペア:

[(1, 1089921), (3, 363307), (7, 155703), (17, 64113), (21, 51901), (43, 25347), (51, 21371), (71, 15351), (119, 9159), (129, 8449), (213, 5117), (301, 3621), (357, 3053), (497, 2193), (731, 1491), (903, 1207)]