1981722147

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{2693}}^1$

素因数の和:3067

約数の個数: 32

約数和(自身を含む): 2867622912

約数和(自身を除く): 885900765

約数列:

[1, 3, 17, 47, 51, 141, 307, 799, 921, 2397, 2693, 5219, 8079, 14429, 15657, 43287, 45781, 126571, 137343, 245293, 379713, 735879, 826751, 2151707, 2480253, 6455121, 14054767, 38857297, 42164301, 116571891, 660574049, 1981722147]

約数ペア:

[(1, 1981722147), (3, 660574049), (17, 116571891), (47, 42164301), (51, 38857297), (141, 14054767), (307, 6455121), (799, 2480253), (921, 2151707), (2397, 826751), (2693, 735879), (5219, 379713), (8079, 245293), (14429, 137343), (15657, 126571), (43287, 45781)]