1217007

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 2021760

約数和(自身を除く): 804753

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 647, 1881, 1941, 5823, 7117, 12293, 21351, 36879, 64053, 110637, 135223, 405669, 1217007]

約数ペア:

[(1, 1217007), (3, 405669), (9, 135223), (11, 110637), (19, 64053), (33, 36879), (57, 21351), (99, 12293), (171, 7117), (209, 5823), (627, 1941), (647, 1881)]