31109745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6421}}^1$

素因数の和:6465

約数の個数: 32

約数和(自身を含む): 55486080

約数和(自身を除く): 24376335

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4845, 6421, 19263, 32105, 96315, 109157, 121999, 327471, 365997, 545785, 609995, 1637355, 1829985, 2073983, 6221949, 10369915, 31109745]

約数ペア:

[(1, 31109745), (3, 10369915), (5, 6221949), (15, 2073983), (17, 1829985), (19, 1637355), (51, 609995), (57, 545785), (85, 365997), (95, 327471), (255, 121999), (285, 109157), (323, 96315), (969, 32105), (1615, 19263), (4845, 6421)]