25281159

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 12043641

約数列:

[1, 3, 17, 47, 51, 53, 141, 159, 199, 597, 799, 901, 2397, 2491, 2703, 3383, 7473, 9353, 10149, 10547, 28059, 31641, 42347, 127041, 159001, 179299, 477003, 495709, 537897, 1487127, 8427053, 25281159]

約数ペア:

[(1, 25281159), (3, 8427053), (17, 1487127), (47, 537897), (51, 495709), (53, 477003), (141, 179299), (159, 159001), (199, 127041), (597, 42347), (799, 31641), (901, 28059), (2397, 10547), (2491, 10149), (2703, 9353), (3383, 7473)]