51720873

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{5647}}^1$

素因数の和:5764

約数の個数: 16

約数和(自身を含む): 71571456

約数和(自身を除く): 19850583

約数列:

[1, 3, 43, 71, 129, 213, 3053, 5647, 9159, 16941, 242821, 400937, 728463, 1202811, 17240291, 51720873]

約数ペア:

[(1, 51720873), (3, 17240291), (43, 1202811), (71, 728463), (129, 400937), (213, 242821), (3053, 16941), (5647, 9159)]