387680325

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{304063}}^1$

素因数の和:304093

約数の個数: 24

約数和(自身を含む): 678670848

約数和(自身を除く): 290990523

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 304063, 912189, 1520315, 4560945, 5169071, 7601575, 15507213, 22804725, 25845355, 77536065, 129226775, 387680325]

約数ペア:

[(1, 387680325), (3, 129226775), (5, 77536065), (15, 25845355), (17, 22804725), (25, 15507213), (51, 7601575), (75, 5169071), (85, 4560945), (255, 1520315), (425, 912189), (1275, 304063)]