2021427495

素因数分解:

$3^4\times 5^1\times {\mathrm{1747}}^1\times {\mathrm{2857}}^1$

素因数の和:4621

約数の個数: 40

約数和(自身を含む): 3626939184

約数和(自身を除く): 1605511689

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1747, 2857, 5241, 8571, 8735, 14285, 15723, 25713, 26205, 42855, 47169, 77139, 78615, 128565, 141507, 231417, 235845, 385695, 707535, 1157085, 4991179, 14973537, 24955895, 44920611, 74867685, 134761833, 224603055, 404285499, 673809165, 2021427495]

約数ペア:

[(1, 2021427495), (3, 673809165), (5, 404285499), (9, 224603055), (15, 134761833), (27, 74867685), (45, 44920611), (81, 24955895), (135, 14973537), (405, 4991179), (1747, 1157085), (2857, 707535), (5241, 385695), (8571, 235845), (8735, 231417), (14285, 141507), (15723, 128565), (25713, 78615), (26205, 77139), (42855, 47169)]