213512823

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{2543}}^1$

素因数の和:3059

約数の個数: 24

約数和(自身を含む): 325428480

約数和(自身を除く): 111915657

約数列:

[1, 3, 9, 19, 57, 171, 491, 1473, 2543, 4419, 7629, 9329, 22887, 27987, 48317, 83961, 144951, 434853, 1248613, 3745839, 11237517, 23723647, 71170941, 213512823]

約数ペア:

[(1, 213512823), (3, 71170941), (9, 23723647), (19, 11237517), (57, 3745839), (171, 1248613), (491, 434853), (1473, 144951), (2543, 83961), (4419, 48317), (7629, 27987), (9329, 22887)]