28572219

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12853}}^1$

素因数の和:12891

約数の個数: 24

約数和(自身を含む): 46788560

約数和(自身を除く): 18216341

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 12853, 38559, 115677, 167089, 244207, 501267, 732621, 1503801, 2197863, 3174691, 9524073, 28572219]

約数ペア:

[(1, 28572219), (3, 9524073), (9, 3174691), (13, 2197863), (19, 1503801), (39, 732621), (57, 501267), (117, 244207), (171, 167089), (247, 115677), (741, 38559), (2223, 12853)]