15381639

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2683}}^1$

素因数の和:2716

約数の個数: 36

約数和(自身を含む): 27843816

約数和(自身を除く): 12462177

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 2683, 5733, 8049, 18781, 24147, 34879, 56343, 104637, 131467, 169029, 244153, 313911, 394401, 732459, 1183203, 1709071, 2197377, 5127213, 15381639]

約数ペア:

[(1, 15381639), (3, 5127213), (7, 2197377), (9, 1709071), (13, 1183203), (21, 732459), (39, 394401), (49, 313911), (63, 244153), (91, 169029), (117, 131467), (147, 104637), (273, 56343), (441, 34879), (637, 24147), (819, 18781), (1911, 8049), (2683, 5733)]