645883005

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1001369}}^1$

素因数の和:1001420

約数の個数: 16

約数和(自身を含む): 1057446720

約数和(自身を除く): 411563715

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 1001369, 3004107, 5006845, 15020535, 43058867, 129176601, 215294335, 645883005]

約数ペア:

[(1, 645883005), (3, 215294335), (5, 129176601), (15, 43058867), (43, 15020535), (129, 5006845), (215, 3004107), (645, 1001369)]