85821315

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{647}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 141834240

約数和(自身を除く): 56012925

約数列:

[1, 3, 5, 15, 37, 111, 185, 239, 555, 647, 717, 1195, 1941, 3235, 3585, 8843, 9705, 23939, 26529, 44215, 71817, 119695, 132645, 154633, 359085, 463899, 773165, 2319495, 5721421, 17164263, 28607105, 85821315]

約数ペア:

[(1, 85821315), (3, 28607105), (5, 17164263), (15, 5721421), (37, 2319495), (111, 773165), (185, 463899), (239, 359085), (555, 154633), (647, 132645), (717, 119695), (1195, 71817), (1941, 44215), (3235, 26529), (3585, 23939), (8843, 9705)]