1393807959

素因数分解:

$3^3\times {\mathrm{2521}}^1\times {\mathrm{20477}}^1$

素因数の和:23007

約数の個数: 16

約数和(自身を含む): 2065820640

約数和(自身を除く): 672012681

約数列:

[1, 3, 9, 27, 2521, 7563, 20477, 22689, 61431, 68067, 184293, 552879, 51622517, 154867551, 464602653, 1393807959]

約数ペア:

[(1, 1393807959), (3, 464602653), (9, 154867551), (27, 51622517), (2521, 552879), (7563, 184293), (20477, 68067), (22689, 61431)]