208299

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:139

約数の個数: 24

約数和(自身を含む): 351120

約数和(自身を除く): 142821

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 109, 147, 273, 327, 637, 763, 1417, 1911, 2289, 4251, 5341, 9919, 16023, 29757, 69433, 208299]

約数ペア:

[(1, 208299), (3, 69433), (7, 29757), (13, 16023), (21, 9919), (39, 5341), (49, 4251), (91, 2289), (109, 1911), (147, 1417), (273, 763), (327, 637)]