81433281

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 119812608

約数和(自身を除く): 38379327

約数列:

[1, 3, 17, 47, 51, 53, 141, 159, 641, 799, 901, 1923, 2397, 2491, 2703, 7473, 10897, 30127, 32691, 33973, 42347, 90381, 101919, 127041, 512159, 577541, 1536477, 1596731, 1732623, 4790193, 27144427, 81433281]

約数ペア:

[(1, 81433281), (3, 27144427), (17, 4790193), (47, 1732623), (51, 1596731), (53, 1536477), (141, 577541), (159, 512159), (641, 127041), (799, 101919), (901, 90381), (1923, 42347), (2397, 33973), (2491, 32691), (2703, 30127), (7473, 10897)]