81538743

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2677}}^1$

素因数の和:2775

約数の個数: 32

約数和(自身を含む): 129572352

約数和(自身を除く): 48033609

約数列:

[1, 3, 11, 13, 33, 39, 71, 143, 213, 429, 781, 923, 2343, 2677, 2769, 8031, 10153, 29447, 30459, 34801, 88341, 104403, 190067, 382811, 570201, 1148433, 2090737, 2470871, 6272211, 7412613, 27179581, 81538743]

約数ペア:

[(1, 81538743), (3, 27179581), (11, 7412613), (13, 6272211), (33, 2470871), (39, 2090737), (71, 1148433), (143, 570201), (213, 382811), (429, 190067), (781, 104403), (923, 88341), (2343, 34801), (2677, 30459), (2769, 29447), (8031, 10153)]