256238889777

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1784903}}^1$

素因数の和:1785334

約数の個数: 32

約数和(自身を含む): 409813958400

約数和(自身を除く): 153575068623

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 409, 1227, 3681, 5317, 11043, 15951, 47853, 143559, 1784903, 5354709, 16064127, 23203739, 48192381, 69611217, 208833651, 626500953, 730025327, 2190075981, 6570227943, 9490329251, 19710683829, 28470987753, 85412963259, 256238889777]

約数ペア:

[(1, 256238889777), (3, 85412963259), (9, 28470987753), (13, 19710683829), (27, 9490329251), (39, 6570227943), (117, 2190075981), (351, 730025327), (409, 626500953), (1227, 208833651), (3681, 69611217), (5317, 48192381), (11043, 23203739), (15951, 16064127), (47853, 5354709), (143559, 1784903)]