1640989719

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{10303}}^1$

素因数の和:10676

約数の個数: 32

約数和(自身を含む): 2581770240

約数和(自身を除く): 940780521

約数列:

[1, 3, 9, 17, 27, 51, 153, 347, 459, 1041, 3123, 5899, 9369, 10303, 17697, 30909, 53091, 92727, 159273, 175151, 278181, 525453, 1576359, 3575141, 4729077, 10725423, 32176269, 60777397, 96528807, 182332191, 546996573, 1640989719]

約数ペア:

[(1, 1640989719), (3, 546996573), (9, 182332191), (17, 96528807), (27, 60777397), (51, 32176269), (153, 10725423), (347, 4729077), (459, 3575141), (1041, 1576359), (3123, 525453), (5899, 278181), (9369, 175151), (10303, 159273), (17697, 92727), (30909, 53091)]