31014825

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 53687040

約数和(自身を除く): 22672215

約数列:

[1, 3, 5, 15, 25, 43, 59, 75, 129, 163, 177, 215, 295, 489, 645, 815, 885, 1075, 1475, 2445, 2537, 3225, 4075, 4425, 7009, 7611, 9617, 12225, 12685, 21027, 28851, 35045, 38055, 48085, 63425, 105135, 144255, 175225, 190275, 240425, 413531, 525675, 721275, 1240593, 2067655, 6202965, 10338275, 31014825]

約数ペア:

[(1, 31014825), (3, 10338275), (5, 6202965), (15, 2067655), (25, 1240593), (43, 721275), (59, 525675), (75, 413531), (129, 240425), (163, 190275), (177, 175225), (215, 144255), (295, 105135), (489, 63425), (645, 48085), (815, 38055), (885, 35045), (1075, 28851), (1475, 21027), (2445, 12685), (2537, 12225), (3225, 9617), (4075, 7611), (4425, 7009)]