209543113731

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{333821}}^1$

素因数の和:334323

約数の個数: 32

約数和(自身を含む): 324571124736

約数和(自身を除く): 115028011005

約数列:

[1, 3, 7, 21, 71, 213, 421, 497, 1263, 1491, 2947, 8841, 29891, 89673, 209237, 333821, 627711, 1001463, 2336747, 7010241, 23701291, 71103873, 140538641, 165909037, 421615923, 497727111, 983770487, 2951311461, 9978243511, 29934730533, 69847704577, 209543113731]

約数ペア:

[(1, 209543113731), (3, 69847704577), (7, 29934730533), (21, 9978243511), (71, 2951311461), (213, 983770487), (421, 497727111), (497, 421615923), (1263, 165909037), (1491, 140538641), (2947, 71103873), (8841, 23701291), (29891, 7010241), (89673, 2336747), (209237, 1001463), (333821, 627711)]