243551217

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127447}}^1$

素因数の和:127477

約数の個数: 24

約数和(自身を含む): 406814016

約数和(自身を除く): 163262799

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 127447, 382341, 892129, 1656811, 2676387, 4970433, 6244903, 11597677, 18734709, 34793031, 81183739, 243551217]

約数ペア:

[(1, 243551217), (3, 81183739), (7, 34793031), (13, 18734709), (21, 11597677), (39, 6244903), (49, 4970433), (91, 2676387), (147, 1656811), (273, 892129), (637, 382341), (1911, 127447)]