2178381615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{181759}}^1$

素因数の和:181831

約数の個数: 32

約数和(自身を含む): 3768975360

約数和(自身を除く): 1590593745

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 2397, 3995, 11985, 181759, 545277, 908795, 2726385, 3089903, 8542673, 9269709, 15449515, 25628019, 42713365, 46348545, 128140095, 145225441, 435676323, 726127205, 2178381615]

約数ペア:

[(1, 2178381615), (3, 726127205), (5, 435676323), (15, 145225441), (17, 128140095), (47, 46348545), (51, 42713365), (85, 25628019), (141, 15449515), (235, 9269709), (255, 8542673), (705, 3089903), (799, 2726385), (2397, 908795), (3995, 545277), (11985, 181759)]