285705144

素因数分解:

$2^3\times 3^4\times {\mathrm{440903}}^1$

素因数の和:440921

約数の個数: 40

約数和(自身を含む): 800240760

約数和(自身を除く): 514535616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 440903, 881806, 1322709, 1763612, 2645418, 3527224, 3968127, 5290836, 7936254, 10581672, 11904381, 15872508, 23808762, 31745016, 35713143, 47617524, 71426286, 95235048, 142852572, 285705144]

約数ペア:

[(1, 285705144), (2, 142852572), (3, 95235048), (4, 71426286), (6, 47617524), (8, 35713143), (9, 31745016), (12, 23808762), (18, 15872508), (24, 11904381), (27, 10581672), (36, 7936254), (54, 5290836), (72, 3968127), (81, 3527224), (108, 2645418), (162, 1763612), (216, 1322709), (324, 881806), (648, 440903)]