1208457

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 1896960

約数和(自身を除く): 688503

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 191, 333, 573, 703, 1719, 2109, 3629, 6327, 7067, 10887, 21201, 32661, 63603, 134273, 402819, 1208457]

約数ペア:

[(1, 1208457), (3, 402819), (9, 134273), (19, 63603), (37, 32661), (57, 21201), (111, 10887), (171, 7067), (191, 6327), (333, 3629), (573, 2109), (703, 1719)]