28404885

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{293}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 47755008

約数和(自身を除く): 19350123

約数列:

[1, 3, 5, 15, 23, 69, 115, 281, 293, 345, 843, 879, 1405, 1465, 4215, 4395, 6463, 6739, 19389, 20217, 32315, 33695, 82333, 96945, 101085, 246999, 411665, 1234995, 1893659, 5680977, 9468295, 28404885]

約数ペア:

[(1, 28404885), (3, 9468295), (5, 5680977), (15, 1893659), (23, 1234995), (69, 411665), (115, 246999), (281, 101085), (293, 96945), (345, 82333), (843, 33695), (879, 32315), (1405, 20217), (1465, 19389), (4215, 6739), (4395, 6463)]