216020238081

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{345487}}^1$

素因数の和:345701

約数の個数: 32

約数和(自身を含む): 305002334208

約数和(自身を除く): 88982096127

約数列:

[1, 3, 37, 43, 111, 129, 131, 393, 1591, 4773, 4847, 5633, 14541, 16899, 208421, 345487, 625263, 1036461, 12783019, 14855941, 38349057, 44567823, 45258797, 135776391, 549669817, 1649009451, 1674575489, 1946128271, 5023726467, 5838384813, 72006746027, 216020238081]

約数ペア:

[(1, 216020238081), (3, 72006746027), (37, 5838384813), (43, 5023726467), (111, 1946128271), (129, 1674575489), (131, 1649009451), (393, 549669817), (1591, 135776391), (4773, 45258797), (4847, 44567823), (5633, 38349057), (14541, 14855941), (16899, 12783019), (208421, 1036461), (345487, 625263)]