83640357

素因数分解:

$3^6\times {\mathrm{17}}^2\times {\mathrm{397}}^1$

素因数の和:449

約数の個数: 42

約数和(自身を含む): 133549298

約数和(自身を除く): 49908941

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 289, 397, 459, 729, 867, 1191, 1377, 2601, 3573, 4131, 6749, 7803, 10719, 12393, 20247, 23409, 32157, 60741, 70227, 96471, 114733, 182223, 210681, 289413, 344199, 546669, 1032597, 1640007, 3097791, 4920021, 9293373, 27880119, 83640357]

約数ペア:

[(1, 83640357), (3, 27880119), (9, 9293373), (17, 4920021), (27, 3097791), (51, 1640007), (81, 1032597), (153, 546669), (243, 344199), (289, 289413), (397, 210681), (459, 182223), (729, 114733), (867, 96471), (1191, 70227), (1377, 60741), (2601, 32157), (3573, 23409), (4131, 20247), (6749, 12393), (7803, 10719)]