159641985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{709}}^1\times {\mathrm{883}}^1$

素因数の和:1617

約数の個数: 32

約数和(自身を含む): 271140480

約数和(自身を除く): 111498495

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 709, 883, 2127, 2649, 3545, 4415, 10635, 12053, 13245, 15011, 36159, 45033, 60265, 75055, 180795, 225165, 626047, 1878141, 3130235, 9390705, 10642799, 31928397, 53213995, 159641985]

約数ペア:

[(1, 159641985), (3, 53213995), (5, 31928397), (15, 10642799), (17, 9390705), (51, 3130235), (85, 1878141), (255, 626047), (709, 225165), (883, 180795), (2127, 75055), (2649, 60265), (3545, 45033), (4415, 36159), (10635, 15011), (12053, 13245)]