211040991

素因数分解:

$3^3\times 7^2\times {\mathrm{269}}^1\times {\mathrm{593}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 365666400

約数和(自身を除く): 154625409

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 269, 441, 593, 807, 1323, 1779, 1883, 2421, 4151, 5337, 5649, 7263, 12453, 13181, 16011, 16947, 29057, 37359, 39543, 50841, 87171, 112077, 118629, 159517, 261513, 355887, 478551, 784539, 1116619, 1435653, 3349857, 4306959, 7816333, 10049571, 23448999, 30148713, 70346997, 211040991]

約数ペア:

[(1, 211040991), (3, 70346997), (7, 30148713), (9, 23448999), (21, 10049571), (27, 7816333), (49, 4306959), (63, 3349857), (147, 1435653), (189, 1116619), (269, 784539), (441, 478551), (593, 355887), (807, 261513), (1323, 159517), (1779, 118629), (1883, 112077), (2421, 87171), (4151, 50841), (5337, 39543), (5649, 37359), (7263, 29057), (12453, 16947), (13181, 16011)]