1280565675

素因数分解:

$3^2\times 5^2\times {\mathrm{5691403}}^1$

素因数の和:5691419

約数の個数: 18

約数和(自身を含む): 2293635812

約数和(自身を除く): 1013070137

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 5691403, 17074209, 28457015, 51222627, 85371045, 142285075, 256113135, 426855225, 1280565675]

約数ペア:

[(1, 1280565675), (3, 426855225), (5, 256113135), (9, 142285075), (15, 85371045), (25, 51222627), (45, 28457015), (75, 17074209), (225, 5691403)]